313430903 has 2 divisors, whose sum is σ = 313430904. Its totient is φ = 313430902.

The previous prime is 313430899. The next prime is 313430939. The reversal of 313430903 is 309034313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313430903 - 2² = 313430899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313430963) 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, 156715451 + 156715452.

It is an arithmetic number, because the mean of its divisors is an integer number (156715452).

Almost surely, 2^313430903 is an apocalyptic number.

313430903 is a deficient number, since it is larger than the sum of its proper divisors (1).

313430903 is an equidigital number, since it uses as much as digits as its factorization.

313430903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 313430903 is about 17703.9798632963. The cubic root of 313430903 is about 679.2775653669.

The spelling of 313430903 in words is "three hundred thirteen million, four hundred thirty thousand, nine hundred three".