131223132204 has 48 divisors (see below), whose sum is σ = 310806507648. Its totient is φ = 43081365888.

The previous prime is 131223132203. The next prime is 131223132221. The reversal of 131223132204 is 402231322131.

It is not an unprimeable number, because it can be changed into a prime (131223132203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8785887 + ... + 8800809.

It is an arithmetic number, because the mean of its divisors is an integer number (6475135576).

Almost surely, 2^131223132204 is an apocalyptic number.

It is an amenable number.

131223132204 is an abundant number, since it is smaller than the sum of its proper divisors (179583375444).

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

131223132204 is a wasteful number, since it uses less digits than its factorization.

131223132204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25934 (or 25932 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131223132204 its reverse (402231322131), we get a palindrome (533454454335).

The spelling of 131223132204 in words is "one hundred thirty-one billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred four".