31486348888 has 16 divisors (see below), whose sum is σ = 59051538360. Its totient is φ = 15739272000.

The previous prime is 31486348867. The next prime is 31486348891. The reversal of 31486348888 is 88884368413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453373 + ... + 518188.

Almost surely, 2^31486348888 is an apocalyptic number.

It is an amenable number.

31486348888 is a deficient number, since it is larger than the sum of its proper divisors (27565189472).

31486348888 is a wasteful number, since it uses less digits than its factorization.

31486348888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975618 (or 975614 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 61.

The spelling of 31486348888 in words is "thirty-one billion, four hundred eighty-six million, three hundred forty-eight thousand, eight hundred eighty-eight".