131023204 has 24 divisors (see below), whose sum is σ = 248057600. Its totient is φ = 60195744.

The previous prime is 131023163. The next prime is 131023223. The reversal of 131023204 is 402320131.

It is a happy 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, 5947 + ... + 17245.

Almost surely, 2^131023204 is an apocalyptic number.

It is an amenable number.

131023204 is a deficient number, since it is larger than the sum of its proper divisors (117034396).

131023204 is a wasteful number, since it uses less digits than its factorization.

131023204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11539 (or 11537 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131023204 is about 11446.5367688223. The cubic root of 131023204 is about 507.9052926553.

Adding to 131023204 its reverse (402320131), we get a palindrome (533343335).

The spelling of 131023204 in words is "one hundred thirty-one million, twenty-three thousand, two hundred four".