131031302215 has 8 divisors (see below), whose sum is σ = 171531886608. Its totient is φ = 95295492480.

The previous prime is 131031302189. The next prime is 131031302267. The reversal of 131031302215 is 512203130131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-131031302215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191193602 + ... + 1191193711.

It is an arithmetic number, because the mean of its divisors is an integer number (21441485826).

Almost surely, 2^131031302215 is an apocalyptic number.

131031302215 is a deficient number, since it is larger than the sum of its proper divisors (40500584393).

131031302215 is a wasteful number, since it uses less digits than its factorization.

131031302215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382387329.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 131031302215 its reverse (512203130131), we get a palindrome (643234432346).

The spelling of 131031302215 in words is "one hundred thirty-one billion, thirty-one million, three hundred two thousand, two hundred fifteen".