321364131 has 16 divisors (see below), whose sum is σ = 473074560. Its totient is φ = 192417920.

The previous prime is 321364103. The next prime is 321364159. The reversal of 321364131 is 131463123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (321364103) and next prime (321364159).

It is a cyclic number.

It is not a de Polignac number, because 321364131 - 2⁶ = 321364067 is a prime.

It is a super-2 number, since 2×321364131² = 206549809386770322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321369131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55926 + ... + 61403.

It is an arithmetic number, because the mean of its divisors is an integer number (29567160).

Almost surely, 2^321364131 is an apocalyptic number.

321364131 is a deficient number, since it is larger than the sum of its proper divisors (151710429).

321364131 is a wasteful number, since it uses less digits than its factorization.

321364131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117426.

The product of its digits is 1296, while the sum is 24.

The square root of 321364131 is about 17926.6318922435. The cubic root of 321364131 is about 684.9609305154.

The spelling of 321364131 in words is "three hundred twenty-one million, three hundred sixty-four thousand, one hundred thirty-one".