131013000121 has 16 divisors (see below), whose sum is σ = 138524774400. Its totient is φ = 123564035088.

The previous prime is 131013000119. The next prime is 131013000137. The reversal of 131013000121 is 121000310131.

It is a cyclic number.

It is not a de Polignac number, because 131013000121 - 2¹ = 131013000119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131013000101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4124526 + ... + 4156168.

It is an arithmetic number, because the mean of its divisors is an integer number (8657798400).

Almost surely, 2^131013000121 is an apocalyptic number.

It is an amenable number.

131013000121 is a deficient number, since it is larger than the sum of its proper divisors (7511774279).

131013000121 is a wasteful number, since it uses less digits than its factorization.

131013000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32628.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 131013000121 its reverse (121000310131), we get a palindrome (252013310252).

The spelling of 131013000121 in words is "one hundred thirty-one billion, thirteen million, one hundred twenty-one", and thus it is an aban number.