31875038384 has 20 divisors (see below), whose sum is σ = 70580442384. Its totient is φ = 13660730688.

The previous prime is 31875038341. The next prime is 31875038387. The reversal of 31875038384 is 48383057813.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31875038387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142299167 + ... + 142299390.

Almost surely, 2^31875038384 is an apocalyptic number.

It is an amenable number.

31875038384 is an abundant number, since it is smaller than the sum of its proper divisors (38705404000).

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

31875038384 is a wasteful number, since it uses less digits than its factorization.

31875038384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284598572 (or 284598566 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 31875038384 in words is "thirty-one billion, eight hundred seventy-five million, thirty-eight thousand, three hundred eighty-four".