31610445057 has 6 divisors (see below), whose sum is σ = 45659531762. Its totient is φ = 21073630032.

The previous prime is 31610445019. The next prime is 31610445077. The reversal of 31610445057 is 75054401613.

31610445057 is a `hidden beast` number, since 3 + 161 + 0 + 445 + 0 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27825242481 + 3785202576 = 166809^2 + 61524^2 .

It is not a de Polignac number, because 31610445057 - 2¹⁴ = 31610428673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31610445007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1756135828 + ... + 1756135845.

Almost surely, 2^31610445057 is an apocalyptic number.

It is an amenable number.

31610445057 is a deficient number, since it is larger than the sum of its proper divisors (14049086705).

31610445057 is a wasteful number, since it uses less digits than its factorization.

31610445057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512271679 (or 3512271676 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 31610445057 in words is "thirty-one billion, six hundred ten million, four hundred forty-five thousand, fifty-seven".