31070055289 has 45 divisors (see below), whose sum is σ = 39419050587. Its totient is φ = 24417914976.

The previous prime is 31070055277. The next prime is 31070055301. The reversal of 31070055289 is 98255007013.

The square root of 31070055289 is 176267.

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

It is an interprime number because it is at equal distance from previous prime (31070055277) and next prime (31070055301).

It can be written as a sum of positive squares in 7 ways, for example, as 25626566889 + 5443488400 = 160083^2 + 73780^2 .

It is not a de Polignac number, because 31070055289 - 2⁷ = 31070055161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31070055229) 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, 208523787 + ... + 208523935.

Almost surely, 2^31070055289 is an apocalyptic number.

31070055289 is the 176267-th square number.

31070055289 is the 88134-th centered octagonal number.

It is an amenable number.

31070055289 is a deficient number, since it is larger than the sum of its proper divisors (8348995298).

31070055289 is an frugal number, since it uses more digits than its factorization.

31070055289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 31070055289 in words is "thirty-one billion, seventy million, fifty-five thousand, two hundred eighty-nine".