313311113 has 2 divisors, whose sum is σ = 313311114. Its totient is φ = 313311112.

The previous prime is 313311101. The next prime is 313311133. The reversal of 313311113 is 311113313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284495689 + 28815424 = 16867^2 + 5368^2 .

It is a cyclic number.

It is not a de Polignac number, because 313311113 - 2⁶ = 313311049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313311091 and 313311100.

It is not a weakly prime, because it can be changed into another prime (313311133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156655556 + 156655557.

It is an arithmetic number, because the mean of its divisors is an integer number (156655557).

Almost surely, 2^313311113 is an apocalyptic number.

It is an amenable number.

313311113 is a deficient number, since it is larger than the sum of its proper divisors (1).

313311113 is an equidigital number, since it uses as much as digits as its factorization.

313311113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81, while the sum is 17.

The square root of 313311113 is about 17700.5964023815. The cubic root of 313311113 is about 679.1910167557.

Adding to 313311113 its reverse (311113313), we get a palindrome (624424426).

The spelling of 313311113 in words is "three hundred thirteen million, three hundred eleven thousand, one hundred thirteen".