131431040099 has 16 divisors (see below), whose sum is σ = 136227636000. Its totient is φ = 126652377600.

The previous prime is 131431040087. The next prime is 131431040107. The reversal of 131431040099 is 990040134131.

It is a cyclic number.

It is not a de Polignac number, because 131431040099 - 2⁸ = 131431039843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131431040599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46921499 + ... + 46924299.

It is an arithmetic number, because the mean of its divisors is an integer number (8514227250).

Almost surely, 2^131431040099 is an apocalyptic number.

131431040099 is a deficient number, since it is larger than the sum of its proper divisors (4796595901).

131431040099 is a wasteful number, since it uses less digits than its factorization.

131431040099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 131431040099 in words is "one hundred thirty-one billion, four hundred thirty-one million, forty thousand, ninety-nine".