131037617 has 4 divisors (see below), whose sum is σ = 131066880. Its totient is φ = 131008356.

The previous prime is 131037587. The next prime is 131037619. The reversal of 131037617 is 716730131.

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 131037617 - 2⁶ = 131037553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131037617.

It is not an unprimeable number, because it can be changed into a prime (131037619) 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, 6353 + ... + 17390.

It is an arithmetic number, because the mean of its divisors is an integer number (32766720).

Almost surely, 2^131037617 is an apocalyptic number.

It is an amenable number.

131037617 is a deficient number, since it is larger than the sum of its proper divisors (29263).

131037617 is an equidigital number, since it uses as much as digits as its factorization.

131037617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29262.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 131037617 is about 11447.1663305816. The cubic root of 131037617 is about 507.9239157448.

Adding to 131037617 its reverse (716730131), we get a palindrome (847767748).

The spelling of 131037617 in words is "one hundred thirty-one million, thirty-seven thousand, six hundred seventeen".