315204102 has 32 divisors (see below), whose sum is σ = 707266560. Its totient is φ = 104046120.

The previous prime is 315204101. The next prime is 315204107. The reversal of 315204102 is 201402513.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315204101) 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 15 ways as a sum of consecutive naturals, for example, 22774 + ... + 33897.

It is an arithmetic number, because the mean of its divisors is an integer number (22102080).

Almost surely, 2^315204102 is an apocalyptic number.

315204102 is an abundant number, since it is smaller than the sum of its proper divisors (392062458).

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

315204102 is a wasteful number, since it uses less digits than its factorization.

315204102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56785 (or 56779 counting only the distinct ones).

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

The square root of 315204102 is about 17753.9883406518. The cubic root of 315204102 is about 680.5561352967.

Adding to 315204102 its reverse (201402513), we get a palindrome (516606615).

It can be divided in two parts, 315 and 204102, that multiplied together give a triangular number (64292130 = T₁₁₃₃₉).

The spelling of 315204102 in words is "three hundred fifteen million, two hundred four thousand, one hundred two".