313331222312131 has 8 divisors (see below), whose sum is σ = 316561989875040. Its totient is φ = 310100465948928.

The previous prime is 313331222312113. The next prime is 313331222312159. The reversal of 313331222312131 is 131213222133313.

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

It is a cyclic number.

It is not a de Polignac number, because 313331222312131 - 2²¹ = 313331220214979 is a prime.

It is a super-2 number, since 2×313331222312131² (a number of 30 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 = 313331222312093 and 313331222312102.

It is not an unprimeable number, because it can be changed into a prime (313331222012131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60867330 + ... + 65814088.

It is an arithmetic number, because the mean of its divisors is an integer number (39570248734380).

Almost surely, 2^{313331222312131} is an apocalyptic number.

313331222312131 is a deficient number, since it is larger than the sum of its proper divisors (3230767562909).

313331222312131 is an equidigital number, since it uses as much as digits as its factorization.

313331222312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599853.

The product of its digits is 11664, while the sum is 31.

Adding to 313331222312131 its reverse (131213222133313), we get a palindrome (444544444445444).

The spelling of 313331222312131 in words is "three hundred thirteen trillion, three hundred thirty-one billion, two hundred twenty-two million, three hundred twelve thousand, one hundred thirty-one".