313321312022 has 4 divisors (see below), whose sum is σ = 469981968036. Its totient is φ = 156660656010.

The previous prime is 313321311967. The next prime is 313321312033. The reversal of 313321312022 is 220213123313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220213123313 = 96269 ⋅2287477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78330328004 + ... + 78330328007.

It is an arithmetic number, because the mean of its divisors is an integer number (117495492009).

Almost surely, 2^313321312022 is an apocalyptic number.

313321312022 is a deficient number, since it is larger than the sum of its proper divisors (156660656014).

313321312022 is a wasteful number, since it uses less digits than its factorization.

313321312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156660656013.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 313321312022 its reverse (220213123313), we get a palindrome (533534435335).

The spelling of 313321312022 in words is "three hundred thirteen billion, three hundred twenty-one million, three hundred twelve thousand, twenty-two".