321131038159 has 2 divisors, whose sum is σ = 321131038160. Its totient is φ = 321131038158.

The previous prime is 321131038147. The next prime is 321131038169. The reversal of 321131038159 is 951830131123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321131038159 - 2¹⁹ = 321130513871 is a prime.

It is a super-2 number, since 2×321131038159² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321131038169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160565519079 + 160565519080.

It is an arithmetic number, because the mean of its divisors is an integer number (160565519080).

Almost surely, 2^321131038159 is an apocalyptic number.

321131038159 is a deficient number, since it is larger than the sum of its proper divisors (1).

321131038159 is an equidigital number, since it uses as much as digits as its factorization.

321131038159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 321131038159 in words is "three hundred twenty-one billion, one hundred thirty-one million, thirty-eight thousand, one hundred fifty-nine".