313103123331331 has 2 divisors, whose sum is σ = 313103123331332. Its totient is φ = 313103123331330.

The previous prime is 313103123331287. The next prime is 313103123331337. The reversal of 313103123331331 is 133133321301313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313103123331331 - 2³⁷ = 312965684377859 is a prime.

It is a super-2 number, since 2×313103123331331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313103123331293 and 313103123331302.

It is not a weakly prime, because it can be changed into another prime (313103123331337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156551561665665 + 156551561665666.

It is an arithmetic number, because the mean of its divisors is an integer number (156551561665666).

Almost surely, 2^{313103123331331} is an apocalyptic number.

313103123331331 is a deficient number, since it is larger than the sum of its proper divisors (1).

313103123331331 is an equidigital number, since it uses as much as digits as its factorization.

313103123331331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 31.

Adding to 313103123331331 its reverse (133133321301313), we get a palindrome (446236444632644).

The spelling of 313103123331331 in words is "three hundred thirteen trillion, one hundred three billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred thirty-one".