331122012129973 has 2 divisors, whose sum is σ = 331122012129974. Its totient is φ = 331122012129972.

The previous prime is 331122012129971. The next prime is 331122012130057. The reversal of 331122012129973 is 379921210221133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235070898608484 + 96051113521489 = 15332022^2 + 9800567^2 .

It is a cyclic number.

It is not a de Polignac number, because 331122012129973 - 2¹ = 331122012129971 is a prime.

Together with 331122012129971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331122012129971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165561006064986 + 165561006064987.

It is an arithmetic number, because the mean of its divisors is an integer number (165561006064987).

Almost surely, 2^{331122012129973} is an apocalyptic number.

It is an amenable number.

331122012129973 is a deficient number, since it is larger than the sum of its proper divisors (1).

331122012129973 is an equidigital number, since it uses as much as digits as its factorization.

331122012129973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 331122012129973 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, twelve million, one hundred twenty-nine thousand, nine hundred seventy-three".