313440132231 has 12 divisors (see below), whose sum is σ = 453013358200. Its totient is φ = 208837087920.

The previous prime is 313440132163. The next prime is 313440132407. The reversal of 313440132231 is 132231044313.

It is a happy number.

313440132231 is a `hidden beast` number, since 3 + 1 + 34 + 401 + 3 + 223 + 1 = 666.

It is not a de Polignac number, because 313440132231 - 2¹⁴ = 313440115847 is a prime.

It is a super-2 number, since 2×313440132231² (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 = 313440132195 and 313440132204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313440133231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10233880 + ... + 10264461.

Almost surely, 2^313440132231 is an apocalyptic number.

313440132231 is a deficient number, since it is larger than the sum of its proper divisors (139573225969).

313440132231 is a wasteful number, since it uses less digits than its factorization.

313440132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20500046 (or 20500043 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 313440132231 its reverse (132231044313), we get a palindrome (445671176544).

The spelling of 313440132231 in words is "three hundred thirteen billion, four hundred forty million, one hundred thirty-two thousand, two hundred thirty-one".