131423204 has 48 divisors (see below), whose sum is σ = 258926976. Its totient is φ = 57849600.

The previous prime is 131423203. The next prime is 131423213. The reversal of 131423204 is 402324131.

It is not an unprimeable number, because it can be changed into a prime (131423203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474314 + ... + 474590.

It is an arithmetic number, because the mean of its divisors is an integer number (5394312).

Almost surely, 2^131423204 is an apocalyptic number.

It is an amenable number.

131423204 is a deficient number, since it is larger than the sum of its proper divisors (127503772).

131423204 is a wasteful number, since it uses less digits than its factorization.

131423204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 131423204 is about 11463.9959874382. The cubic root of 131423204 is about 508.4216279726.

Adding to 131423204 its reverse (402324131), we get a palindrome (533747335).

The spelling of 131423204 in words is "one hundred thirty-one million, four hundred twenty-three thousand, two hundred four".