331121100231073 has 2 divisors, whose sum is σ = 331121100231074. Its totient is φ = 331121100231072.

The previous prime is 331121100231071. The next prime is 331121100231137. The reversal of 331121100231073 is 370132001121133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267850800357904 + 63270299873169 = 16366148^2 + 7954263^2 .

It is a cyclic number.

It is not a de Polignac number, because 331121100231073 - 2¹ = 331121100231071 is a prime.

Together with 331121100231071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (331121100231071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165560550115536 + 165560550115537.

It is an arithmetic number, because the mean of its divisors is an integer number (165560550115537).

Almost surely, 2^{331121100231073} is an apocalyptic number.

It is an amenable number.

331121100231073 is a deficient number, since it is larger than the sum of its proper divisors (1).

331121100231073 is an equidigital number, since it uses as much as digits as its factorization.

331121100231073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The spelling of 331121100231073 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, one hundred million, two hundred thirty-one thousand, seventy-three".