31679908375 has 8 divisors (see below), whose sum is σ = 39536525808. Its totient is φ = 25343926600.

The previous prime is 31679908361. The next prime is 31679908397. The reversal of 31679908375 is 57380997613.

It is a happy number.

It is not a de Polignac number, because 31679908375 - 2¹³ = 31679900183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126719509 + ... + 126719758.

It is an arithmetic number, because the mean of its divisors is an integer number (4942065726).

Almost surely, 2^31679908375 is an apocalyptic number.

31679908375 is a deficient number, since it is larger than the sum of its proper divisors (7856617433).

31679908375 is an equidigital number, since it uses as much as digits as its factorization.

31679908375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253439282 (or 253439272 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 31679908375 in words is "thirty-one billion, six hundred seventy-nine million, nine hundred eight thousand, three hundred seventy-five".