315320851 has 8 divisors (see below), whose sum is σ = 318139920. Its totient is φ = 312513888.

The previous prime is 315320821. The next prime is 315320867. The reversal of 315320851 is 158023513.

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 315320851 - 2⁹ = 315320339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315320821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53965 + ... + 59521.

It is an arithmetic number, because the mean of its divisors is an integer number (39767490).

Almost surely, 2^315320851 is an apocalyptic number.

315320851 is a deficient number, since it is larger than the sum of its proper divisors (2819069).

315320851 is a wasteful number, since it uses less digits than its factorization.

315320851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 315320851 is about 17757.2760016845. The cubic root of 315320851 is about 680.6401490516.

The spelling of 315320851 in words is "three hundred fifteen million, three hundred twenty thousand, eight hundred fifty-one".