31033525057 has 2 divisors, whose sum is σ = 31033525058. Its totient is φ = 31033525056.

The previous prime is 31033525009. The next prime is 31033525069. The reversal of 31033525057 is 75052533013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29934536256 + 1098988801 = 173016^2 + 33151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31033525057 is a prime.

It is not a weakly prime, because it can be changed into another prime (31033525357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516762528 + 15516762529.

It is an arithmetic number, because the mean of its divisors is an integer number (15516762529).

Almost surely, 2^31033525057 is an apocalyptic number.

It is an amenable number.

31033525057 is a deficient number, since it is larger than the sum of its proper divisors (1).

31033525057 is an equidigital number, since it uses as much as digits as its factorization.

31033525057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 34.

The spelling of 31033525057 in words is "thirty-one billion, thirty-three million, five hundred twenty-five thousand, fifty-seven".