31112210113307 has 4 divisors (see below), whose sum is σ = 31141812597816. Its totient is φ = 31082607628800.

The previous prime is 31112210113289. The next prime is 31112210113321. The reversal of 31112210113307 is 70331101221113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31112210113307 - 2⁴⁰ = 30012698485531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112210113357) 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, 14801240678 + ... + 14801242779.

It is an arithmetic number, because the mean of its divisors is an integer number (7785453149454).

Almost surely, 2^{31112210113307} is an apocalyptic number.

31112210113307 is a deficient number, since it is larger than the sum of its proper divisors (29602484509).

31112210113307 is a wasteful number, since it uses less digits than its factorization.

31112210113307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29602484508.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 31112210113307 in words is "thirty-one trillion, one hundred twelve billion, two hundred ten million, one hundred thirteen thousand, three hundred seven".