313133123122 has 64 divisors (see below), whose sum is σ = 508511520000. Its totient is φ = 144246187008.

The previous prime is 313133123077. The next prime is 313133123131. The reversal of 313133123122 is 221321331313.

It is a super-2 number, since 2×313133123122² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71999004 + ... + 72003352.

It is an arithmetic number, because the mean of its divisors is an integer number (7945492500).

Almost surely, 2^313133123122 is an apocalyptic number.

313133123122 is a deficient number, since it is larger than the sum of its proper divisors (195378396878).

313133123122 is a wasteful number, since it uses less digits than its factorization.

313133123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915.

The product of its digits is 1944, while the sum is 25.

Adding to 313133123122 its reverse (221321331313), we get a palindrome (534454454435).

The spelling of 313133123122 in words is "three hundred thirteen billion, one hundred thirty-three million, one hundred twenty-three thousand, one hundred twenty-two".