131121225303204 has 48 divisors (see below), whose sum is σ = 307028499041600. Its totient is φ = 43553140356096.

The previous prime is 131121225303203. The next prime is 131121225303247. The reversal of 131121225303204 is 402303522121131.

131121225303204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131121225303203) 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, 7633477 + ... + 17902860.

Almost surely, 2^{131121225303204} is an apocalyptic number.

It is an amenable number.

131121225303204 is an abundant number, since it is smaller than the sum of its proper divisors (175907273738396).

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

131121225303204 is a wasteful number, since it uses less digits than its factorization.

131121225303204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25537852 (or 25537850 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 131121225303204 its reverse (402303522121131), we get a palindrome (533424747424335).

The spelling of 131121225303204 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty-five million, three hundred three thousand, two hundred four".