313112112223191 has 4 divisors (see below), whose sum is σ = 417482816297592. Its totient is φ = 208741408148792.

The previous prime is 313112112223177. The next prime is 313112112223193. The reversal of 313112112223191 is 191322211211313.

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 313112112223191 - 2²⁵ = 313112078668759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313112112223193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52185352037196 + ... + 52185352037201.

It is an arithmetic number, because the mean of its divisors is an integer number (104370704074398).

Almost surely, 2^{313112112223191} is an apocalyptic number.

313112112223191 is a deficient number, since it is larger than the sum of its proper divisors (104370704074401).

313112112223191 is a wasteful number, since it uses less digits than its factorization.

313112112223191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104370704074400.

The product of its digits is 3888, while the sum is 33.

The spelling of 313112112223191 in words is "three hundred thirteen trillion, one hundred twelve billion, one hundred twelve million, two hundred twenty-three thousand, one hundred ninety-one".