31231472734274 has 16 divisors (see below), whose sum is σ = 47755837362240. Its totient is φ = 15313165448880.

The previous prime is 31231472734237. The next prime is 31231472734331. The reversal of 31231472734274 is 47243727413213.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76086494 + ... + 76495865.

It is an arithmetic number, because the mean of its divisors is an integer number (2984739835140).

Almost surely, 2^{31231472734274} is an apocalyptic number.

31231472734274 is a deficient number, since it is larger than the sum of its proper divisors (16524364627966).

31231472734274 is a wasteful number, since it uses less digits than its factorization.

31231472734274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152584345.

The product of its digits is 4741632, while the sum is 50.

The spelling of 31231472734274 in words is "thirty-one trillion, two hundred thirty-one billion, four hundred seventy-two million, seven hundred thirty-four thousand, two hundred seventy-four".