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1313312301431 = 13101024023187
BaseRepresentation
bin10011000111000111100…
…000110110000101110111
311122112212222210102201022
4103013013200312011313
5133004130422121211
62443154412251355
7163612050241664
oct23070740660567
94575788712638
101313312301431
11466a776132a9
12192641770b5b
1396aca0b3190
14477c95aaa6b
15242679b5bdb
hex131c7836177

1313312301431 has 4 divisors (see below), whose sum is σ = 1414336324632. Its totient is φ = 1212288278232.

The previous prime is 1313312301397. The next prime is 1313312301437. The reversal of 1313312301431 is 1341032133131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313312301431 - 234 = 1296132432247 is a prime.

It is a super-2 number, since 2×13133123014312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313312301431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313312301437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50512011581 + ... + 50512011606.

It is an arithmetic number, because the mean of its divisors is an integer number (353584081158).

Almost surely, 21313312301431 is an apocalyptic number.

1313312301431 is a deficient number, since it is larger than the sum of its proper divisors (101024023201).

1313312301431 is a wasteful number, since it uses less digits than its factorization.

1313312301431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101024023200.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 1313312301431 its reverse (1341032133131), we get a palindrome (2654344434562).

The spelling of 1313312301431 in words is "one trillion, three hundred thirteen billion, three hundred twelve million, three hundred one thousand, four hundred thirty-one".

Divisors: 1 13 101024023187 1313312301431