321312314433 has 12 divisors (see below), whose sum is σ = 470903998544. Its totient is φ = 194734735800.

The previous prime is 321312314419. The next prime is 321312314437. The reversal of 321312314433 is 334413213123.

It is not a de Polignac number, because 321312314433 - 2⁹ = 321312313921 is a prime.

It is a super-2 number, since 2×321312314433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321312314433.

It is not an unprimeable number, because it can be changed into a prime (321312314437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442578583 + ... + 442579308.

Almost surely, 2^321312314433 is an apocalyptic number.

321312314433 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

321312314433 is a deficient number, since it is larger than the sum of its proper divisors (149591684111).

321312314433 is a wasteful number, since it uses less digits than its factorization.

321312314433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885157916 (or 885157905 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 321312314433 its reverse (334413213123), we get a palindrome (655725527556).

The spelling of 321312314433 in words is "three hundred twenty-one billion, three hundred twelve million, three hundred fourteen thousand, four hundred thirty-three".