331311838073 has 2 divisors, whose sum is σ = 331311838074. Its totient is φ = 331311838072.

The previous prime is 331311838001. The next prime is 331311838103. The reversal of 331311838073 is 370838113133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291484451449 + 39827386624 = 539893^2 + 199568^2 .

It is a cyclic number.

It is not a de Polignac number, because 331311838073 - 2¹² = 331311833977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331311838073.

It is not a weakly prime, because it can be changed into another prime (331311828073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165655919036 + 165655919037.

It is an arithmetic number, because the mean of its divisors is an integer number (165655919037).

Almost surely, 2^331311838073 is an apocalyptic number.

It is an amenable number.

331311838073 is a deficient number, since it is larger than the sum of its proper divisors (1).

331311838073 is an equidigital number, since it uses as much as digits as its factorization.

331311838073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 331311838073 in words is "three hundred thirty-one billion, three hundred eleven million, eight hundred thirty-eight thousand, seventy-three".