315061313 has 8 divisors (see below), whose sum is σ = 361686528. Its totient is φ = 268840224.

The previous prime is 315061303. The next prime is 315061321. The reversal of 315061313 is 313160513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315061313 - 2⁴ = 315061297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315061303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99356 + ... + 102477.

It is an arithmetic number, because the mean of its divisors is an integer number (45210816).

Almost surely, 2^315061313 is an apocalyptic number.

It is an amenable number.

315061313 is a deficient number, since it is larger than the sum of its proper divisors (46625215).

315061313 is a wasteful number, since it uses less digits than its factorization.

315061313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202063.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 315061313 is about 17749.9665633488. The cubic root of 315061313 is about 680.4533546891.

The spelling of 315061313 in words is "three hundred fifteen million, sixty-one thousand, three hundred thirteen".