200131331121 has 32 divisors (see below), whose sum is σ = 306096573440. Its totient is φ = 129099484800.

The previous prime is 200131331093. The next prime is 200131331123. The reversal of 200131331121 is 121133131002.

200131331121 is a `hidden beast` number, since 20 + 0 + 1 + 313 + 311 + 21 = 666.

It is not a de Polignac number, because 200131331121 - 2⁵ = 200131331089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200131331094 and 200131331103.

It is not an unprimeable number, because it can be changed into a prime (200131331123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9491931 + ... + 9512991.

It is an arithmetic number, because the mean of its divisors is an integer number (9565517920).

Almost surely, 2^200131331121 is an apocalyptic number.

It is an amenable number.

200131331121 is a deficient number, since it is larger than the sum of its proper divisors (105965242319).

200131331121 is a wasteful number, since it uses less digits than its factorization.

200131331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32454 (or 32448 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 200131331121 its reverse (121133131002), we get a palindrome (321264462123).

The spelling of 200131331121 in words is "two hundred billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty-one".