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1313201102312 = 2311210133739857
BaseRepresentation
bin10011000111000000111…
…000101001110111101000
311122112121020112221012102
4103013000320221313220
5133003413440233222
62443135401032532
7163606230124211
oct23070070516750
94575536487172
101313201102312
11466a1a872800
12192610485748
1396ab004b098
14477b8902408
152425cd4cd92
hex131c0e29de8

1313201102312 has 96 divisors (see below), whose sum is σ = 2741418093960. Its totient is φ = 589231104000.

The previous prime is 1313201102287. The next prime is 1313201102321. The reversal of 1313201102312 is 2132011023131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1301849052196 + 11352050116 = 1140986^2 + 106546^2 .

It is a super-2 number, since 2×13132011023122 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32927888 + ... + 32967744.

Almost surely, 21313201102312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313201102312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370709046980).

1313201102312 is an abundant number, since it is smaller than the sum of its proper divisors (1428216991648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313201102312 is a wasteful number, since it uses less digits than its factorization.

1313201102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40323 (or 40308 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1313201102312 its reverse (2132011023131), we get a palindrome (3445212125443).

It can be divided in two parts, 1 and 313201102312, that added together give a palindrome (313201102313).

The spelling of 1313201102312 in words is "one trillion, three hundred thirteen billion, two hundred one million, one hundred two thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 101 121 202 242 337 404 484 674 808 968 1111 1348 2222 2696 3707 4444 7414 8888 12221 14828 24442 29656 34037 39857 40777 48884 68074 79714 81554 97768 136148 159428 163108 272296 318856 326216 374407 438427 748814 876854 1497628 1753708 2995256 3507416 4025557 4118477 4822697 8051114 8236954 9645394 13431809 16102228 16473908 19290788 26863618 32204456 32947816 38581576 44281127 53727236 88562254 107454472 147749899 177124508 295499798 354249016 487092397 590999596 974184794 1181999192 1356612709 1625248889 1948369588 2713225418 3250497778 3896739176 5426450836 6500995556 10852901672 13001991112 14922739799 29845479598 59690959196 119381918392 164150137789 328300275578 656600551156 1313201102312