31003441057 has 2 divisors, whose sum is σ = 31003441058. Its totient is φ = 31003441056.

The previous prime is 31003441039. The next prime is 31003441061. The reversal of 31003441057 is 75014430013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30455834256 + 547606801 = 174516^2 + 23401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31003441057 is a prime.

It is a super-2 number, since 2×31003441057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31003741057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501720528 + 15501720529.

It is an arithmetic number, because the mean of its divisors is an integer number (15501720529).

Almost surely, 2^31003441057 is an apocalyptic number.

It is an amenable number.

31003441057 is a deficient number, since it is larger than the sum of its proper divisors (1).

31003441057 is an equidigital number, since it uses as much as digits as its factorization.

31003441057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 31003441057 in words is "thirty-one billion, three million, four hundred forty-one thousand, fifty-seven".