1031312133313 has 16 divisors (see below), whose sum is σ = 1287545970816. Its totient is φ = 802523456640.

The previous prime is 1031312133281. The next prime is 1031312133317. The reversal of 1031312133313 is 3133312131301.

It is a cyclic number.

It is not a de Polignac number, because 1031312133313 - 2⁵ = 1031312133281 is a prime.

It is a super-2 number, since 2×1031312133313² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1031312133317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9079756 + ... + 9192637.

It is an arithmetic number, because the mean of its divisors is an integer number (80471623176).

Almost surely, 2^{1031312133313} is an apocalyptic number.

It is an amenable number.

1031312133313 is a deficient number, since it is larger than the sum of its proper divisors (256233837503).

1031312133313 is a wasteful number, since it uses less digits than its factorization.

1031312133313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273144.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1031312133313 its reverse (3133312131301), we get a palindrome (4164624264614).

The spelling of 1031312133313 in words is "one trillion, thirty-one billion, three hundred twelve million, one hundred thirty-three thousand, three hundred thirteen".