131316417 has 16 divisors (see below), whose sum is σ = 197285760. Its totient is φ = 86310000.

The previous prime is 131316397. The next prime is 131316421. The reversal of 131316417 is 714613131.

131316417 is a `hidden beast` number, since 1 + 3 + 13 + 1 + 641 + 7 = 666.

It is not a de Polignac number, because 131316417 - 2⁸ = 131316161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (131316617) 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, 32334 + ... + 36167.

It is an arithmetic number, because the mean of its divisors is an integer number (12330360).

Almost surely, 2^131316417 is an apocalyptic number.

It is an amenable number.

131316417 is a deficient number, since it is larger than the sum of its proper divisors (65969343).

131316417 is an equidigital number, since it uses as much as digits as its factorization.

131316417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68581 (or 68575 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 131316417 is about 11459.3375462982. The cubic root of 131316417 is about 508.2838858528.

Adding to 131316417 its reverse (714613131), we get a palindrome (845929548).

The spelling of 131316417 in words is "one hundred thirty-one million, three hundred sixteen thousand, four hundred seventeen".