13031023313 has 32 divisors (see below), whose sum is σ = 17230897152. Its totient is φ = 9553262400.

The previous prime is 13031023309. The next prime is 13031023331. The reversal of 13031023313 is 31332013031.

It is not a de Polignac number, because 13031023313 - 2² = 13031023309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13031023373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47720 + ... + 168342.

It is an arithmetic number, because the mean of its divisors is an integer number (538465536).

Almost surely, 2^13031023313 is an apocalyptic number.

It is an amenable number.

13031023313 is a deficient number, since it is larger than the sum of its proper divisors (4199873839).

13031023313 is a wasteful number, since it uses less digits than its factorization.

13031023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120725.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13031023313 its reverse (31332013031), we get a palindrome (44363036344).

The spelling of 13031023313 in words is "thirteen billion, thirty-one million, twenty-three thousand, three hundred thirteen".