31052431089 has 27 divisors (see below), whose sum is σ = 45268893579. Its totient is φ = 20511658800.

The previous prime is 31052431051. The next prime is 31052431093. The reversal of 31052431089 is 98013425013.

The square root of 31052431089 is 176217.

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

31052431089 is a `hidden beast` number, since 310 + 5 + 24 + 310 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7330270689 + 23722160400 = 85617^2 + 154020^2 .

It is not a de Polignac number, because 31052431089 - 2¹³ = 31052422897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31052431009) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 79826107 + ... + 79826495.

Almost surely, 2^31052431089 is an apocalyptic number.

31052431089 is the 176217-th square number.

31052431089 is the 88109-th centered octagonal number.

It is an amenable number.

31052431089 is a deficient number, since it is larger than the sum of its proper divisors (14216462490).

31052431089 is an frugal number, since it uses more digits than its factorization.

31052431089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Multiplying 31052431089 by its sum of digits (36), we get a square (1117887519204 = 1057302²).

The spelling of 31052431089 in words is "thirty-one billion, fifty-two million, four hundred thirty-one thousand, eighty-nine".