131122431204 has 72 divisors (see below), whose sum is σ = 319140692640. Its totient is φ = 41891122944.

The previous prime is 131122431199. The next prime is 131122431211. The reversal of 131122431204 is 402134221131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041112 + ... + 1160240.

It is an arithmetic number, because the mean of its divisors is an integer number (4432509620).

Almost surely, 2^131122431204 is an apocalyptic number.

It is an amenable number.

131122431204 is an abundant number, since it is smaller than the sum of its proper divisors (188018261436).

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

131122431204 is a wasteful number, since it uses less digits than its factorization.

131122431204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119277 (or 119238 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131122431204 its reverse (402134221131), we get a palindrome (533256652335).

The spelling of 131122431204 in words is "one hundred thirty-one billion, one hundred twenty-two million, four hundred thirty-one thousand, two hundred four".