313143983 has 2 divisors, whose sum is σ = 313143984. Its totient is φ = 313143982.

The previous prime is 313143967. The next prime is 313144021. The reversal of 313143983 is 389341313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313143983 - 2⁴ = 313143967 is a prime.

It is a Sophie Germain prime.

It is equal to p_16925246 and since 313143983 and 16925246 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313143923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156571991 + 156571992.

It is an arithmetic number, because the mean of its divisors is an integer number (156571992).

Almost surely, 2^313143983 is an apocalyptic number.

313143983 is a deficient number, since it is larger than the sum of its proper divisors (1).

313143983 is an equidigital number, since it uses as much as digits as its factorization.

313143983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 313143983 is about 17695.8747452620. The cubic root of 313143983 is about 679.0702279936.

The spelling of 313143983 in words is "three hundred thirteen million, one hundred forty-three thousand, nine hundred eighty-three".