331011113320057 has 2 divisors, whose sum is σ = 331011113320058. Its totient is φ = 331011113320056.

The previous prime is 331011113319959. The next prime is 331011113320067. The reversal of 331011113320057 is 750023311110133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327414947241321 + 3596166078736 = 18094611^2 + 1896356^2 .

It is an emirp because it is prime and its reverse (750023311110133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331011113320057 - 2²³ = 331011104931449 is a prime.

It is not a weakly prime, because it can be changed into another prime (331011113320067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165505556660028 + 165505556660029.

It is an arithmetic number, because the mean of its divisors is an integer number (165505556660029).

Almost surely, 2^{331011113320057} is an apocalyptic number.

It is an amenable number.

331011113320057 is a deficient number, since it is larger than the sum of its proper divisors (1).

331011113320057 is an equidigital number, since it uses as much as digits as its factorization.

331011113320057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The spelling of 331011113320057 in words is "three hundred thirty-one trillion, eleven billion, one hundred thirteen million, three hundred twenty thousand, fifty-seven".