31431165186162 has 48 divisors (see below), whose sum is σ = 73233582580800. Its totient is φ = 8967067960032.

The previous prime is 31431165186151. The next prime is 31431165186227. The reversal of 31431165186162 is 26168156113413.

It is a super-2 number, since 2×31431165186162² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78758662 + ... + 79156737.

It is an arithmetic number, because the mean of its divisors is an integer number (1525699637100).

Almost surely, 2^{31431165186162} is an apocalyptic number.

31431165186162 is an abundant number, since it is smaller than the sum of its proper divisors (41802417394638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31431165186162 is a wasteful number, since it uses less digits than its factorization.

31431165186162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157916095 (or 157916088 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 31431165186162 in words is "thirty-one trillion, four hundred thirty-one billion, one hundred sixty-five million, one hundred eighty-six thousand, one hundred sixty-two".