331922129641 has 2 divisors, whose sum is σ = 331922129642. Its totient is φ = 331922129640.

The previous prime is 331922129593. The next prime is 331922129647. The reversal of 331922129641 is 146921229133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178117761600 + 153804368041 = 422040^2 + 392179^2 .

It is a cyclic number.

It is not a de Polignac number, because 331922129641 - 2¹³ = 331922121449 is a prime.

It is a super-2 number, since 2×331922129641² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331922129647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165961064820 + 165961064821.

It is an arithmetic number, because the mean of its divisors is an integer number (165961064821).

Almost surely, 2^331922129641 is an apocalyptic number.

It is an amenable number.

331922129641 is a deficient number, since it is larger than the sum of its proper divisors (1).

331922129641 is an equidigital number, since it uses as much as digits as its factorization.

331922129641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The spelling of 331922129641 in words is "three hundred thirty-one billion, nine hundred twenty-two million, one hundred twenty-nine thousand, six hundred forty-one".