315441193 has 2 divisors, whose sum is σ = 315441194. Its totient is φ = 315441192.

The previous prime is 315441083. The next prime is 315441197. The reversal of 315441193 is 391144513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179881744 + 135559449 = 13412^2 + 11643^2 .

It is a cyclic number.

It is not a de Polignac number, because 315441193 - 2⁹ = 315440681 is a prime.

It is not a weakly prime, because it can be changed into another prime (315441197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157720596 + 157720597.

It is an arithmetic number, because the mean of its divisors is an integer number (157720597).

Almost surely, 2^315441193 is an apocalyptic number.

It is an amenable number.

315441193 is a deficient number, since it is larger than the sum of its proper divisors (1).

315441193 is an equidigital number, since it uses as much as digits as its factorization.

315441193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 315441193 is about 17760.6642049221. The cubic root of 315441193 is about 680.7267266635.

The spelling of 315441193 in words is "three hundred fifteen million, four hundred forty-one thousand, one hundred ninety-three".