31157246734 has 16 divisors (see below), whose sum is σ = 46956956400. Its totient is φ = 15504977664.

The previous prime is 31157246683. The next prime is 31157246759. The reversal of 31157246734 is 43764275113.

It is a congruent 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, 1440669 + ... + 1462135.

It is an arithmetic number, because the mean of its divisors is an integer number (2934809775).

Almost surely, 2^31157246734 is an apocalyptic number.

31157246734 is a deficient number, since it is larger than the sum of its proper divisors (15799709666).

31157246734 is a wasteful number, since it uses less digits than its factorization.

31157246734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24867.

The product of its digits is 423360, while the sum is 43.

The spelling of 31157246734 in words is "thirty-one billion, one hundred fifty-seven million, two hundred forty-six thousand, seven hundred thirty-four".