315701983 has 2 divisors, whose sum is σ = 315701984. Its totient is φ = 315701982.

The previous prime is 315701963. The next prime is 315701987. The reversal of 315701983 is 389107513.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315701983 - 2⁹ = 315701471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315701987) 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, 157850991 + 157850992.

It is an arithmetic number, because the mean of its divisors is an integer number (157850992).

Almost surely, 2^315701983 is an apocalyptic number.

315701983 is a deficient number, since it is larger than the sum of its proper divisors (1).

315701983 is an equidigital number, since it uses as much as digits as its factorization.

315701983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 315701983 is about 17768.0044743353. The cubic root of 315701983 is about 680.9142712056.

The spelling of 315701983 in words is "three hundred fifteen million, seven hundred one thousand, nine hundred eighty-three".