131435422311251 has 16 divisors (see below), whose sum is σ = 135717550848000. Its totient is φ = 127155941328960.

The previous prime is 131435422311133. The next prime is 131435422311287. The reversal of 131435422311251 is 152113224534131.

It is a cyclic number.

It is not a de Polignac number, because 131435422311251 - 2³⁰ = 131434348569427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131425422311251) 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, 1870958375 + ... + 1871028623.

It is an arithmetic number, because the mean of its divisors is an integer number (8482346928000).

Almost surely, 2^{131435422311251} is an apocalyptic number.

131435422311251 is a deficient number, since it is larger than the sum of its proper divisors (4282128536749).

131435422311251 is a wasteful number, since it uses less digits than its factorization.

131435422311251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88226.

The product of its digits is 86400, while the sum is 38.

Adding to 131435422311251 its reverse (152113224534131), we get a palindrome (283548646845382).

The spelling of 131435422311251 in words is "one hundred thirty-one trillion, four hundred thirty-five billion, four hundred twenty-two million, three hundred eleven thousand, two hundred fifty-one".