31745375982 has 40 divisors (see below), whose sum is σ = 71145903312. Its totient is φ = 10579896000.

The previous prime is 31745375971. The next prime is 31745376011. The reversal of 31745375982 is 28957354713.

31745375982 is a `hidden beast` number, since 3 + 1 + 7 + 45 + 3 + 7 + 598 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1113607 + ... + 1141757.

Almost surely, 2^31745375982 is an apocalyptic number.

31745375982 is an abundant number, since it is smaller than the sum of its proper divisors (39400527330).

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

31745375982 is a wasteful number, since it uses less digits than its factorization.

31745375982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35126 (or 35117 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 31745375982 in words is "thirty-one billion, seven hundred forty-five million, three hundred seventy-five thousand, nine hundred eighty-two".