321213131202959 has 2 divisors, whose sum is σ = 321213131202960. Its totient is φ = 321213131202958.

The previous prime is 321213131202917. The next prime is 321213131203031. The reversal of 321213131202959 is 959202131312123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321213131202959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321213131207959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160606565601479 + 160606565601480.

It is an arithmetic number, because the mean of its divisors is an integer number (160606565601480).

Almost surely, 2^{321213131202959} is an apocalyptic number.

321213131202959 is a deficient number, since it is larger than the sum of its proper divisors (1).

321213131202959 is an equidigital number, since it uses as much as digits as its factorization.

321213131202959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 321213131202959 in words is "three hundred twenty-one trillion, two hundred thirteen billion, one hundred thirty-one million, two hundred two thousand, nine hundred fifty-nine".