31136374226740 has 48 divisors (see below), whose sum is σ = 65459789321472. Its totient is φ = 12440571083136.

The previous prime is 31136374226701. The next prime is 31136374226767. The reversal of 31136374226740 is 4762247363113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175044127 + ... + 175221913.

It is an arithmetic number, because the mean of its divisors is an integer number (1363745610864).

Almost surely, 2^{31136374226740} is an apocalyptic number.

It is an amenable number.

31136374226740 is an abundant number, since it is smaller than the sum of its proper divisors (34323415094732).

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

31136374226740 is a wasteful number, since it uses less digits than its factorization.

31136374226740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187576 (or 187574 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 31136374226740 in words is "thirty-one trillion, one hundred thirty-six billion, three hundred seventy-four million, two hundred twenty-six thousand, seven hundred forty".