331230332130989 has 2 divisors, whose sum is σ = 331230332130990. Its totient is φ = 331230332130988.

The previous prime is 331230332130983. The next prime is 331230332131003. The reversal of 331230332130989 is 989031233032133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331155666568489 + 74665562500 = 18197683^2 + 273250^2 .

It is a cyclic number.

It is not a de Polignac number, because 331230332130989 - 2¹² = 331230332126893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331230332130983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165615166065494 + 165615166065495.

It is an arithmetic number, because the mean of its divisors is an integer number (165615166065495).

Almost surely, 2^{331230332130989} is an apocalyptic number.

It is an amenable number.

331230332130989 is a deficient number, since it is larger than the sum of its proper divisors (1).

331230332130989 is an equidigital number, since it uses as much as digits as its factorization.

331230332130989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 50.

The spelling of 331230332130989 in words is "three hundred thirty-one trillion, two hundred thirty billion, three hundred thirty-two million, one hundred thirty thousand, nine hundred eighty-nine".