13031112031 has 32 divisors (see below), whose sum is σ = 15403627008. Its totient is φ = 10792656000.

The previous prime is 13031111921. The next prime is 13031112049. The reversal of 13031112031 is 13021113031.

It is not a de Polignac number, because 13031112031 - 2¹¹ = 13031109983 is a prime.

It is a super-2 number, since 2×13031112031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13031111996 and 13031112014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031112131) 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, 13069825 + ... + 13070821.

It is an arithmetic number, because the mean of its divisors is an integer number (481363344).

Almost surely, 2^13031112031 is an apocalyptic number.

13031112031 is a deficient number, since it is larger than the sum of its proper divisors (2372514977).

13031112031 is a wasteful number, since it uses less digits than its factorization.

13031112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13031112031 its reverse (13021113031), we get a palindrome (26052225062).

The spelling of 13031112031 in words is "thirteen billion, thirty-one million, one hundred twelve thousand, thirty-one".