313440133231 has 2 divisors, whose sum is σ = 313440133232. Its totient is φ = 313440133230.

The previous prime is 313440133219. The next prime is 313440133243. The reversal of 313440133231 is 132331044313.

It is a balanced prime because it is at equal distance from previous prime (313440133219) and next prime (313440133243).

It is a cyclic number.

It is not a de Polignac number, because 313440133231 - 2¹⁷ = 313440002159 is a prime.

It is a super-2 number, since 2×313440133231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313440133231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313440133291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156720066615 + 156720066616.

It is an arithmetic number, because the mean of its divisors is an integer number (156720066616).

Almost surely, 2^313440133231 is an apocalyptic number.

313440133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

313440133231 is an equidigital number, since it uses as much as digits as its factorization.

313440133231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 313440133231 its reverse (132331044313), we get a palindrome (445771177544).

The spelling of 313440133231 in words is "three hundred thirteen billion, four hundred forty million, one hundred thirty-three thousand, two hundred thirty-one".