131424254231502 has 128 divisors (see below), whose sum is σ = 284059680537600. Its totient is φ = 40386568273920.

The previous prime is 131424254231489. The next prime is 131424254231503. The reversal of 131424254231502 is 205132452424131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131424254231503) 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 63 ways as a sum of consecutive naturals, for example, 2253434502 + ... + 2253492822.

It is an arithmetic number, because the mean of its divisors is an integer number (2219216254200).

Almost surely, 2^{131424254231502} is an apocalyptic number.

131424254231502 is an abundant number, since it is smaller than the sum of its proper divisors (152635426306098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131424254231502 is a wasteful number, since it uses less digits than its factorization.

131424254231502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60266.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 131424254231502 in words is "one hundred thirty-one trillion, four hundred twenty-four billion, two hundred fifty-four million, two hundred thirty-one thousand, five hundred two".