31827974416 has 40 divisors (see below), whose sum is σ = 70506201600. Its totient is φ = 13634759424.

The previous prime is 31827974389. The next prime is 31827974417. The reversal of 31827974416 is 61447972813.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31827974417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209460 + ... + 327916.

It is an arithmetic number, because the mean of its divisors is an integer number (1762655040).

Almost surely, 2^31827974416 is an apocalyptic number.

It is an amenable number.

31827974416 is an abundant number, since it is smaller than the sum of its proper divisors (38678227184).

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

31827974416 is a wasteful number, since it uses less digits than its factorization.

31827974416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120871 (or 120865 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The spelling of 31827974416 in words is "thirty-one billion, eight hundred twenty-seven million, nine hundred seventy-four thousand, four hundred sixteen".