313121322022 has 8 divisors (see below), whose sum is σ = 471284994096. Its totient is φ = 156026323992.

The previous prime is 313121322013. The next prime is 313121322023. The reversal of 313121322022 is 220223121313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 313121321984 and 313121322002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313121322023) 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 3 ways as a sum of consecutive naturals, for example, 267167778 + ... + 267168949.

It is an arithmetic number, because the mean of its divisors is an integer number (58910624262).

Almost surely, 2^313121322022 is an apocalyptic number.

313121322022 is a deficient number, since it is larger than the sum of its proper divisors (158163672074).

313121322022 is a wasteful number, since it uses less digits than its factorization.

313121322022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534337022.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 313121322022 its reverse (220223121313), we get a palindrome (533344443335).

The spelling of 313121322022 in words is "three hundred thirteen billion, one hundred twenty-one million, three hundred twenty-two thousand, twenty-two".