131115310132121 has 16 divisors (see below), whose sum is σ = 149904130696320. Its totient is φ = 112341011771520.

The previous prime is 131115310132111. The next prime is 131115310132129. The reversal of 131115310132121 is 121231013511131.

It is a happy number.

It is not a de Polignac number, because 131115310132121 - 2²² = 131115305937817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131115310132129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239888270 + ... + 240434216.

It is an arithmetic number, because the mean of its divisors is an integer number (9369008168520).

Almost surely, 2^{131115310132121} is an apocalyptic number.

It is an amenable number.

131115310132121 is a deficient number, since it is larger than the sum of its proper divisors (18788820564199).

131115310132121 is an equidigital number, since it uses as much as digits as its factorization.

131115310132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559184.

The product of its (nonzero) digits is 540, while the sum is 26.

Adding to 131115310132121 its reverse (121231013511131), we get a palindrome (252346323643252).

The spelling of 131115310132121 in words is "one hundred thirty-one trillion, one hundred fifteen billion, three hundred ten million, one hundred thirty-two thousand, one hundred twenty-one".