321310111319 has 4 divisors (see below), whose sum is σ = 332389770360. Its totient is φ = 310230452280.

The previous prime is 321310111313. The next prime is 321310111327. The reversal of 321310111319 is 913111013123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913111013123 = 593 ⋅1539816211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321310111319 is a prime.

It is a super-2 number, since 2×321310111319² (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 (321310111313) 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, 5539829477 + ... + 5539829534.

It is an arithmetic number, because the mean of its divisors is an integer number (83097442590).

Almost surely, 2^321310111319 is an apocalyptic number.

321310111319 is a deficient number, since it is larger than the sum of its proper divisors (11079659041).

321310111319 is a wasteful number, since it uses less digits than its factorization.

321310111319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079659040.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 321310111319 in words is "three hundred twenty-one billion, three hundred ten million, one hundred eleven thousand, three hundred nineteen".