313022113121 has 16 divisors (see below), whose sum is σ = 331294924800. Its totient is φ = 294929787600.

The previous prime is 313022113081. The next prime is 313022113127. The reversal of 313022113121 is 121311220313.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-313022113121 is a prime.

It is a super-2 number, since 2×313022113121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313022113093 and 313022113102.

It is not an unprimeable number, because it can be changed into a prime (313022113127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27425906 + ... + 27437316.

It is an arithmetic number, because the mean of its divisors is an integer number (20705932800).

Almost surely, 2^313022113121 is an apocalyptic number.

It is an amenable number.

313022113121 is a deficient number, since it is larger than the sum of its proper divisors (18272811679).

313022113121 is a wasteful number, since it uses less digits than its factorization.

313022113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19180.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 313022113121 its reverse (121311220313), we get a palindrome (434333333434).

The spelling of 313022113121 in words is "three hundred thirteen billion, twenty-two million, one hundred thirteen thousand, one hundred twenty-one".