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1313201023210 = 25131320102321
BaseRepresentation
bin10011000111000000111…
…000010110100011101010
311122112121020101220200201
4103013000320112203222
5133003413430220320
62443135355222414
7163606226344456
oct23070070264352
94575536356621
101313201023210
11466a1a81932a
12192610447a0a
1396ab002108b
14477b88c1666
152425cd3470a
hex131c0e168ea

1313201023210 has 8 divisors (see below), whose sum is σ = 2363761841796. Its totient is φ = 525280409280.

The previous prime is 1313201023207. The next prime is 1313201023217. The reversal of 1313201023210 is 123201023131.

It can be written as a sum of positive squares in 2 ways, for example, as 1302659278281 + 10541744929 = 1141341^2 + 102673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×13132010232103 (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313201023217) 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, 65660051151 + ... + 65660051170.

Almost surely, 21313201023210 is an apocalyptic number.

1313201023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313201023210 is a deficient number, since it is larger than the sum of its proper divisors (1050560818586).

1313201023210 is a wasteful number, since it uses less digits than its factorization.

1313201023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131320102328.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1313201023210 its reverse (123201023131), we get a palindrome (1436402046341).

The spelling of 1313201023210 in words is "one trillion, three hundred thirteen billion, two hundred one million, twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 131320102321 262640204642 656600511605 1313201023210