131045322331215 has 12 divisors (see below), whose sum is σ = 227145225374184. Its totient is φ = 69890838576624.

The previous prime is 131045322331211. The next prime is 131045322331237. The reversal of 131045322331215 is 512133223540131.

131045322331215 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 4 + 5 + 322 + 3 + 312 + 15 = 666.

It is not a de Polignac number, because 131045322331215 - 2² = 131045322331211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131045322331215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131045322331211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1456059136969 + ... + 1456059137058.

It is an arithmetic number, because the mean of its divisors is an integer number (18928768781182).

Almost surely, 2^{131045322331215} is an apocalyptic number.

131045322331215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131045322331215 is a deficient number, since it is larger than the sum of its proper divisors (96099903042969).

131045322331215 is a wasteful number, since it uses less digits than its factorization.

131045322331215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912118274038 (or 2912118274035 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 131045322331215 its reverse (512133223540131), we get a palindrome (643178545871346).

The spelling of 131045322331215 in words is "one hundred thirty-one trillion, forty-five billion, three hundred twenty-two million, three hundred thirty-one thousand, two hundred fifteen".