315220104 has 24 divisors (see below), whose sum is σ = 853721310. Its totient is φ = 105073344.

The previous prime is 315220063. The next prime is 315220133. The reversal of 315220104 is 401022513.

It can be written as a sum of positive squares in only one way, i.e., 169052004 + 146168100 = 13002^2 + 12090^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2188957 + ... + 2189100.

Almost surely, 2^315220104 is an apocalyptic number.

It is an amenable number.

315220104 is an abundant number, since it is smaller than the sum of its proper divisors (538501206).

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

315220104 is a wasteful number, since it uses less digits than its factorization.

315220104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378069 (or 4378062 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 315220104 is about 17754.4389942347. The cubic root of 315220104 is about 680.5676517236.

Adding to 315220104 its reverse (401022513), we get a palindrome (716242617).

The spelling of 315220104 in words is "three hundred fifteen million, two hundred twenty thousand, one hundred four".