313948815 has 16 divisors (see below), whose sum is σ = 503488608. Its totient is φ = 167049216.

The previous prime is 313948813. The next prime is 313948847. The reversal of 313948815 is 518849313.

It is not a de Polignac number, because 313948815 - 2¹ = 313948813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313948813) 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 in 15 ways as a sum of consecutive naturals, for example, 17674 + ... + 30663.

It is an arithmetic number, because the mean of its divisors is an integer number (31468038).

Almost surely, 2^313948815 is an apocalyptic number.

313948815 is a deficient number, since it is larger than the sum of its proper divisors (189539793).

313948815 is a wasteful number, since it uses less digits than its factorization.

313948815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48778.

The product of its digits is 103680, while the sum is 42.

The square root of 313948815 is about 17718.6008194778. The cubic root of 313948815 is about 679.6515046759.

The spelling of 313948815 in words is "three hundred thirteen million, nine hundred forty-eight thousand, eight hundred fifteen".