131530204 has 24 divisors (see below), whose sum is σ = 249478208. Its totient is φ = 60315840.

The previous prime is 131530187. The next prime is 131530219. The reversal of 131530204 is 402035131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 16219.

Almost surely, 2^131530204 is an apocalyptic number.

It is an amenable number.

131530204 is a deficient number, since it is larger than the sum of its proper divisors (117948004).

131530204 is a wasteful number, since it uses less digits than its factorization.

131530204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16285 (or 16283 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 131530204 is about 11468.6618225493. The cubic root of 131530204 is about 508.5595700188.

Adding to 131530204 its reverse (402035131), we get a palindrome (533565335).

The spelling of 131530204 in words is "one hundred thirty-one million, five hundred thirty thousand, two hundred four".