313120212220131 has 16 divisors (see below), whose sum is σ = 430961837948928. Its totient is φ = 202012718745600.

The previous prime is 313120212220129. The next prime is 313120212220169. The reversal of 313120212220131 is 131022212021313.

It is not a de Polignac number, because 313120212220131 - 2¹ = 313120212220129 is a prime.

It is a super-2 number, since 2×313120212220131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313120212220831) 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, 65323966 + ... + 69953276.

It is an arithmetic number, because the mean of its divisors is an integer number (26935114871808).

Almost surely, 2^{313120212220131} is an apocalyptic number.

313120212220131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

313120212220131 is a deficient number, since it is larger than the sum of its proper divisors (117841625728797).

313120212220131 is a wasteful number, since it uses less digits than its factorization.

313120212220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356642.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 313120212220131 its reverse (131022212021313), we get a palindrome (444142424241444).

The spelling of 313120212220131 in words is "three hundred thirteen trillion, one hundred twenty billion, two hundred twelve million, two hundred twenty thousand, one hundred thirty-one".