313022331121 has 4 divisors (see below), whose sum is σ = 316793684592. Its totient is φ = 309250977652.

The previous prime is 313022331119. The next prime is 313022331187. The reversal of 313022331121 is 121133220313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313022331121 - 2¹ = 313022331119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313022331092 and 313022331101.

It is not an unprimeable number, because it can be changed into a prime (313022331191) 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, 1885676611 + ... + 1885676776.

It is an arithmetic number, because the mean of its divisors is an integer number (79198421148).

Almost surely, 2^313022331121 is an apocalyptic number.

It is an amenable number.

313022331121 is a deficient number, since it is larger than the sum of its proper divisors (3771353471).

313022331121 is an equidigital number, since it uses as much as digits as its factorization.

313022331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771353470.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313022331121 its reverse (121133220313), we get a palindrome (434155551434).

The spelling of 313022331121 in words is "three hundred thirteen billion, twenty-two million, three hundred thirty-one thousand, one hundred twenty-one".