131300210121 has 32 divisors (see below), whose sum is σ = 178722465792. Its totient is φ = 85719332160.

The previous prime is 131300210081. The next prime is 131300210131. The reversal of 131300210121 is 121012003131.

It is a happy number.

It is not a de Polignac number, because 131300210121 - 2⁹ = 131300209609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131300210121.

It is not an unprimeable number, because it can be changed into a prime (131300210131) 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, 44311786 + ... + 44314748.

It is an arithmetic number, because the mean of its divisors is an integer number (5585077056).

Almost surely, 2^131300210121 is an apocalyptic number.

It is an amenable number.

131300210121 is a deficient number, since it is larger than the sum of its proper divisors (47422255671).

131300210121 is a wasteful number, since it uses less digits than its factorization.

131300210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013.

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

Adding to 131300210121 its reverse (121012003131), we get a palindrome (252312213252).

The spelling of 131300210121 in words is "one hundred thirty-one billion, three hundred million, two hundred ten thousand, one hundred twenty-one".