313451233 has 2 divisors, whose sum is σ = 313451234. Its totient is φ = 313451232.

The previous prime is 313451221. The next prime is 313451249. The reversal of 313451233 is 332154313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212488929 + 100962304 = 14577^2 + 10048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313451233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313451198 and 313451207.

It is not a weakly prime, because it can be changed into another prime (313451263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156725616 + 156725617.

It is an arithmetic number, because the mean of its divisors is an integer number (156725617).

Almost surely, 2^313451233 is an apocalyptic number.

It is an amenable number.

313451233 is a deficient number, since it is larger than the sum of its proper divisors (1).

313451233 is an equidigital number, since it uses as much as digits as its factorization.

313451233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 313451233 is about 17704.5540186699. The cubic root of 313451233 is about 679.2922516600.

The spelling of 313451233 in words is "three hundred thirteen million, four hundred fifty-one thousand, two hundred thirty-three".