313320407 has 2 divisors, whose sum is σ = 313320408. Its totient is φ = 313320406.

The previous prime is 313320389. The next prime is 313320443. The reversal of 313320407 is 704023313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313320407 - 2⁸ = 313320151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313320607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156660203 + 156660204.

It is an arithmetic number, because the mean of its divisors is an integer number (156660204).

Almost surely, 2^313320407 is an apocalyptic number.

313320407 is a deficient number, since it is larger than the sum of its proper divisors (1).

313320407 is an equidigital number, since it uses as much as digits as its factorization.

313320407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 313320407 is about 17700.8589339614. The cubic root of 313320407 is about 679.1977324861.

The spelling of 313320407 in words is "three hundred thirteen million, three hundred twenty thousand, four hundred seven".