313320231337 has 2 divisors, whose sum is σ = 313320231338. Its totient is φ = 313320231336.

The previous prime is 313320231271. The next prime is 313320231397. The reversal of 313320231337 is 733132023313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311993742096 + 1326489241 = 558564^2 + 36421^2 .

It is a cyclic number.

It is not a de Polignac number, because 313320231337 - 2¹¹ = 313320229289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313320231299 and 313320231308.

It is not a weakly prime, because it can be changed into another prime (313320231397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156660115668 + 156660115669.

It is an arithmetic number, because the mean of its divisors is an integer number (156660115669).

Almost surely, 2^313320231337 is an apocalyptic number.

It is an amenable number.

313320231337 is a deficient number, since it is larger than the sum of its proper divisors (1).

313320231337 is an equidigital number, since it uses as much as digits as its factorization.

313320231337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 31.

The spelling of 313320231337 in words is "three hundred thirteen billion, three hundred twenty million, two hundred thirty-one thousand, three hundred thirty-seven".