31767050089 has 2 divisors, whose sum is σ = 31767050090. Its totient is φ = 31767050088.

The previous prime is 31767050071. The next prime is 31767050123. The reversal of 31767050089 is 98005076713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17002856025 + 14764194064 = 130395^2 + 121508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31767050089 is a prime.

It is not a weakly prime, because it can be changed into another prime (31767050489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15883525044 + 15883525045.

It is an arithmetic number, because the mean of its divisors is an integer number (15883525045).

Almost surely, 2^31767050089 is an apocalyptic number.

It is an amenable number.

31767050089 is a deficient number, since it is larger than the sum of its proper divisors (1).

31767050089 is an equidigital number, since it uses as much as digits as its factorization.

31767050089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 31767050089 in words is "thirty-one billion, seven hundred sixty-seven million, fifty thousand, eighty-nine".