313331322231 has 6 divisors (see below), whose sum is σ = 452589687680. Its totient is φ = 208887548148.

The previous prime is 313331322223. The next prime is 313331322299. The reversal of 313331322231 is 132223133313.

313331322231 is a `hidden beast` number, since 3 + 1 + 3 + 331 + 322 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 313331322231 - 2³ = 313331322223 is a prime.

It is a super-2 number, since 2×313331322231² (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 = 313331322195 and 313331322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313331322331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17407295671 + ... + 17407295688.

Almost surely, 2^313331322231 is an apocalyptic number.

313331322231 is a deficient number, since it is larger than the sum of its proper divisors (139258365449).

313331322231 is a wasteful number, since it uses less digits than its factorization.

313331322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34814591365 (or 34814591362 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 313331322231 its reverse (132223133313), we get a palindrome (445554455544).

The spelling of 313331322231 in words is "three hundred thirteen billion, three hundred thirty-one million, three hundred twenty-two thousand, two hundred thirty-one".