131160505161431 has 4 divisors (see below), whose sum is σ = 131965170837432. Its totient is φ = 130355839485432.

The previous prime is 131160505161409. The next prime is 131160505161461. The reversal of 131160505161431 is 134161505061131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131160505161431 is a prime.

It is a super-2 number, since 2×131160505161431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131160505161461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402332837756 + ... + 402332838081.

It is an arithmetic number, because the mean of its divisors is an integer number (32991292709358).

Almost surely, 2^{131160505161431} is an apocalyptic number.

131160505161431 is a deficient number, since it is larger than the sum of its proper divisors (804665676001).

131160505161431 is an equidigital number, since it uses as much as digits as its factorization.

131160505161431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804665676000.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 131160505161431 in words is "one hundred thirty-one trillion, one hundred sixty billion, five hundred five million, one hundred sixty-one thousand, four hundred thirty-one".