31872627368 has 48 divisors (see below), whose sum is σ = 61364269980. Its totient is φ = 15518400000.

The previous prime is 31872627301. The next prime is 31872627377. The reversal of 31872627368 is 86372627813.

It can be written as a sum of positive squares in 6 ways, for example, as 12339210724 + 19533416644 = 111082^2 + 139762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3001268 + ... + 3011868.

Almost surely, 2^31872627368 is an apocalyptic number.

It is an amenable number.

31872627368 is a deficient number, since it is larger than the sum of its proper divisors (29491642612).

31872627368 is a wasteful number, since it uses less digits than its factorization.

31872627368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10830 (or 10765 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The spelling of 31872627368 in words is "thirty-one billion, eight hundred seventy-two million, six hundred twenty-seven thousand, three hundred sixty-eight".