31362120354156 has 24 divisors (see below), whose sum is σ = 77482885581360. Its totient is φ = 9839096581632.

The previous prime is 31362120354143. The next prime is 31362120354167. The reversal of 31362120354156 is 65145302126313.

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, 76867941841 + ... + 76867942248.

It is an arithmetic number, because the mean of its divisors is an integer number (3228453565890).

Almost surely, 2^{31362120354156} is an apocalyptic number.

It is an amenable number.

31362120354156 is an abundant number, since it is smaller than the sum of its proper divisors (46120765227204).

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

31362120354156 is a wasteful number, since it uses less digits than its factorization.

31362120354156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153735884113 (or 153735884111 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 31362120354156 in words is "thirty-one trillion, three hundred sixty-two billion, one hundred twenty million, three hundred fifty-four thousand, one hundred fifty-six".