31874032089 has 45 divisors (see below), whose sum is σ = 48397368613. Its totient is φ = 20905500168.

The previous prime is 31874032061. The next prime is 31874032133. The reversal of 31874032089 is 98023047813.

The square root of 31874032089 is 178533.

It is a perfect power (a square), and thus also a powerful number.

31874032089 is a `hidden beast` number, since 31 + 8 + 7 + 403 + 208 + 9 = 666.

It is not a de Polignac number, because 31874032089 - 2¹⁵ = 31873999321 is a prime.

It is a super-2 number, since 2×31874032089² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31874032009) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 133364032 + ... + 133364270.

Almost surely, 2^31874032089 is an apocalyptic number.

31874032089 is the 178533-rd square number.

31874032089 is the 89267-th centered octagonal number.

It is an amenable number.

31874032089 is a deficient number, since it is larger than the sum of its proper divisors (16523336524).

31874032089 is an frugal number, since it uses more digits than its factorization.

31874032089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 31874032089 in words is "thirty-one billion, eight hundred seventy-four million, thirty-two thousand, eighty-nine".