131224533204 has 48 divisors (see below), whose sum is σ = 309305828160. Its totient is φ = 43296710400.

The previous prime is 131224533191. The next prime is 131224533221. The reversal of 131224533204 is 402335422131.

It is a super-2 number, since 2×131224533204² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5246392 + ... + 5271344.

It is an arithmetic number, because the mean of its divisors is an integer number (6443871420).

Almost surely, 2^131224533204 is an apocalyptic number.

It is an amenable number.

131224533204 is an abundant number, since it is smaller than the sum of its proper divisors (178081294956).

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

131224533204 is a wasteful number, since it uses less digits than its factorization.

131224533204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29400 (or 29398 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 131224533204 its reverse (402335422131), we get a palindrome (533559955335).

The spelling of 131224533204 in words is "one hundred thirty-one billion, two hundred twenty-four million, five hundred thirty-three thousand, two hundred four".