31030111103013 has 12 divisors (see below), whose sum is σ = 48895932647328. Its totient is φ = 18806127941160.

The previous prime is 31030111103009. The next prime is 31030111103099.

31030111103013 is a `hidden beast` number, since 310 + 30 + 1 + 11 + 10 + 301 + 3 = 666.

31030111103013 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31030111103013 - 2² = 31030111103009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030111103003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156717732745 + ... + 156717732942.

It is an arithmetic number, because the mean of its divisors is an integer number (4074661053944).

Almost surely, 2^{31030111103013} is an apocalyptic number.

31030111103013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31030111103013 is a deficient number, since it is larger than the sum of its proper divisors (17865821544315).

31030111103013 is a wasteful number, since it uses less digits than its factorization.

31030111103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313435465704 (or 313435465701 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

It can be divided in two parts, 3103011 and 1103013, that added together give a palindrome (4206024).

The spelling of 31030111103013 in words is "thirty-one trillion, thirty billion, one hundred eleven million, one hundred three thousand, thirteen".