331121945021123 has 2 divisors, whose sum is σ = 331121945021124. Its totient is φ = 331121945021122.

The previous prime is 331121945021113. The next prime is 331121945021167. The reversal of 331121945021123 is 321120549121133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331121945021123 - 2¹⁰ = 331121945020099 is a prime.

It is a super-2 number, since 2×331121945021123² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (331121945021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560972510561 + 165560972510562.

It is an arithmetic number, because the mean of its divisors is an integer number (165560972510562).

Almost surely, 2^{331121945021123} is an apocalyptic number.

331121945021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

331121945021123 is an equidigital number, since it uses as much as digits as its factorization.

331121945021123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 331121945021123 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, nine hundred forty-five million, twenty-one thousand, one hundred twenty-three".