315314873 has 4 divisors (see below), whose sum is σ = 318207780. Its totient is φ = 312421968.

The previous prime is 315314863. The next prime is 315314891. The reversal of 315314873 is 378413513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 378413513 = 1801 ⋅210113.

It can be written as a sum of positive squares in 2 ways, for example, as 177768889 + 137545984 = 13333^2 + 11728^2 .

It is a cyclic number.

It is not a de Polignac number, because 315314873 - 2⁸ = 315314617 is a prime.

It is a super-2 number, since 2×315314873² = 198846938270012258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315314863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446290 + ... + 1446507.

It is an arithmetic number, because the mean of its divisors is an integer number (79551945).

Almost surely, 2^315314873 is an apocalyptic number.

It is an amenable number.

315314873 is a deficient number, since it is larger than the sum of its proper divisors (2892907).

315314873 is a wasteful number, since it uses less digits than its factorization.

315314873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892906.

The product of its digits is 30240, while the sum is 35.

The square root of 315314873 is about 17757.1076755197. The cubic root of 315314873 is about 680.6358477265.

The spelling of 315314873 in words is "three hundred fifteen million, three hundred fourteen thousand, eight hundred seventy-three".