131233234685 has 16 divisors (see below), whose sum is σ = 180015599232. Its totient is φ = 89969208000.

The previous prime is 131233234673. The next prime is 131233234733. The reversal of 131233234685 is 586432332131.

It is not a de Polignac number, because 131233234685 - 2²⁴ = 131216457469 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 235466 + ... + 563835.

It is an arithmetic number, because the mean of its divisors is an integer number (11250974952).

Almost surely, 2^131233234685 is an apocalyptic number.

It is an amenable number.

131233234685 is a deficient number, since it is larger than the sum of its proper divisors (48782364547).

131233234685 is an equidigital number, since it uses as much as digits as its factorization.

131233234685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804004.

The product of its digits is 311040, while the sum is 41.

The spelling of 131233234685 in words is "one hundred thirty-one billion, two hundred thirty-three million, two hundred thirty-four thousand, six hundred eighty-five".