31113103013029 has 4 divisors (see below), whose sum is σ = 31113158476320. Its totient is φ = 31113047549740.

The previous prime is 31113103012987. The next prime is 31113103013039. The reversal of 31113103013029 is 92031030131113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31113103013029 - 2²⁷ = 31112968795301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31113103012988 and 31113103013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113103013039) 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 3 ways as a sum of consecutive naturals, for example, 26881507 + ... + 28015024.

It is an arithmetic number, because the mean of its divisors is an integer number (7778289619080).

Almost surely, 2^{31113103013029} is an apocalyptic number.

It is an amenable number.

31113103013029 is a deficient number, since it is larger than the sum of its proper divisors (55463291).

31113103013029 is an equidigital number, since it uses as much as digits as its factorization.

31113103013029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55463290.

The product of its (nonzero) digits is 1458, while the sum is 28.

The spelling of 31113103013029 in words is "thirty-one trillion, one hundred thirteen billion, one hundred three million, thirteen thousand, twenty-nine".