131324137215 has 16 divisors (see below), whose sum is σ = 210133440000. Its totient is φ = 70034599712.

The previous prime is 131324137211. The next prime is 131324137237. The reversal of 131324137215 is 512731423131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131324137215 - 2² = 131324137211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131324137211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83715 + ... + 519284.

It is an arithmetic number, because the mean of its divisors is an integer number (13133340000).

Almost surely, 2^131324137215 is an apocalyptic number.

131324137215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131324137215 is a deficient number, since it is larger than the sum of its proper divisors (78809302785).

131324137215 is a wasteful number, since it uses less digits than its factorization.

131324137215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617526.

The product of its digits is 15120, while the sum is 33.

The spelling of 131324137215 in words is "one hundred thirty-one billion, three hundred twenty-four million, one hundred thirty-seven thousand, two hundred fifteen".