321311013319 has 4 divisors (see below), whose sum is σ = 321512211544. Its totient is φ = 321109815096.

The previous prime is 321311013301. The next prime is 321311013329. The reversal of 321311013319 is 913310113123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913310113123 = 6733 ⋅135646831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321311013319 is a prime.

It is a super-2 number, since 2×321311013319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321311013329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100596717 + ... + 100599910.

It is an arithmetic number, because the mean of its divisors is an integer number (80378052886).

Almost surely, 2^321311013319 is an apocalyptic number.

321311013319 is a deficient number, since it is larger than the sum of its proper divisors (201198225).

321311013319 is a wasteful number, since it uses less digits than its factorization.

321311013319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201198224.

The product of its (nonzero) digits is 1458, while the sum is 28.

The spelling of 321311013319 in words is "three hundred twenty-one billion, three hundred eleven million, thirteen thousand, three hundred nineteen".