31142355748 has 12 divisors (see below), whose sum is σ = 62284711552. Its totient is φ = 13346723880.

The previous prime is 31142355719. The next prime is 31142355757. The reversal of 31142355748 is 84755324113.

It is a happy number.

31142355748 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556113468 + ... + 556113523.

Almost surely, 2^31142355748 is an apocalyptic number.

It is an amenable number.

31142355748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31142355748 is a wasteful number, since it uses less digits than its factorization.

31142355748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112227002 (or 1112227000 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The spelling of 31142355748 in words is "thirty-one billion, one hundred forty-two million, three hundred fifty-five thousand, seven hundred forty-eight".