31190712448 has 48 divisors (see below), whose sum is σ = 72282700350. Its totient is φ = 13367445504.

The previous prime is 31190712433. The next prime is 31190712451. The reversal of 31190712448 is 84421709113.

It can be written as a sum of positive squares in only one way, i.e., 16922887744 + 14267824704 = 130088^2 + 119448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31190712448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2480233 + ... + 2492776.

Almost surely, 2^31190712448 is an apocalyptic number.

It is an amenable number.

31190712448 is an abundant number, since it is smaller than the sum of its proper divisors (41091987902).

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

31190712448 is an equidigital number, since it uses as much as digits as its factorization.

31190712448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973037 (or 4973018 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 31190712448 in words is "thirty-one billion, one hundred ninety million, seven hundred twelve thousand, four hundred forty-eight".