131617235015 has 32 divisors (see below), whose sum is σ = 192027469824. Its totient is φ = 84540234240.

The previous prime is 131617234997. The next prime is 131617235023. The reversal of 131617235015 is 510532716131.

It is not a de Polignac number, because 131617235015 - 2¹⁴ = 131617218631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398639 + ... + 649728.

It is an arithmetic number, because the mean of its divisors is an integer number (6000858432).

Almost surely, 2^131617235015 is an apocalyptic number.

131617235015 is a deficient number, since it is larger than the sum of its proper divisors (60410234809).

131617235015 is a wasteful number, since it uses less digits than its factorization.

131617235015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048607.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 131617235015 in words is "one hundred thirty-one billion, six hundred seventeen million, two hundred thirty-five thousand, fifteen".