131200310121 has 8 divisors (see below), whose sum is σ = 175009517760. Its totient is φ = 87428987952.

The previous prime is 131200310053. The next prime is 131200310141. The reversal of 131200310121 is 121013002131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131200310121 - 2⁷ = 131200309993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131200310121.

It is not an unprimeable number, because it can be changed into a prime (131200310141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9463285 + ... + 9477138.

It is an arithmetic number, because the mean of its divisors is an integer number (21876189720).

Almost surely, 2^131200310121 is an apocalyptic number.

It is an amenable number.

131200310121 is a deficient number, since it is larger than the sum of its proper divisors (43809207639).

131200310121 is a wasteful number, since it uses less digits than its factorization.

131200310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942735.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 131200310121 its reverse (121013002131), we get a palindrome (252213312252).

The spelling of 131200310121 in words is "one hundred thirty-one billion, two hundred million, three hundred ten thousand, one hundred twenty-one".