131331120329 has 4 divisors (see below), whose sum is σ = 131795188176. Its totient is φ = 130867052484.

The previous prime is 131331120311. The next prime is 131331120331. The reversal of 131331120329 is 923021133131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131331120329 - 2¹⁶ = 131331054793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131331120359) 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, 232033499 + ... + 232034064.

It is an arithmetic number, because the mean of its divisors is an integer number (32948797044).

Almost surely, 2^131331120329 is an apocalyptic number.

It is an amenable number.

131331120329 is a deficient number, since it is larger than the sum of its proper divisors (464067847).

131331120329 is an equidigital number, since it uses as much as digits as its factorization.

131331120329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464067846.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 131331120329 in words is "one hundred thirty-one billion, three hundred thirty-one million, one hundred twenty thousand, three hundred twenty-nine".