315220160 has 28 divisors (see below), whose sum is σ = 750618768. Its totient is φ = 126087936.

The previous prime is 315220153. The next prime is 315220163. The reversal of 315220160 is 61022513.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (315220163) 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 in 3 ways as a sum of consecutive naturals, for example, 492212 + ... + 492851.

Almost surely, 2^315220160 is an apocalyptic number.

It is an amenable number.

315220160 is an abundant number, since it is smaller than the sum of its proper divisors (435398608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315220160 is an equidigital number, since it uses as much as digits as its factorization.

315220160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985080 (or 985070 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 315220160 is about 17754.4405713050. The cubic root of 315220160 is about 680.5676920254.

Adding to 315220160 its reverse (61022513), we get a palindrome (376242673).

The spelling of 315220160 in words is "three hundred fifteen million, two hundred twenty thousand, one hundred sixty".