131360217 has 4 divisors (see below), whose sum is σ = 175146960. Its totient is φ = 87573476.

The previous prime is 131360189. The next prime is 131360221. The reversal of 131360217 is 712063131.

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 131360217 - 2⁸ = 131359961 is a prime.

It is a super-2 number, since 2×131360217² = 34511013220574178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131360017) 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, 21893367 + ... + 21893372.

It is an arithmetic number, because the mean of its divisors is an integer number (43786740).

Almost surely, 2^131360217 is an apocalyptic number.

It is an amenable number.

131360217 is a deficient number, since it is larger than the sum of its proper divisors (43786743).

131360217 is an equidigital number, since it uses as much as digits as its factorization.

131360217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43786742.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 131360217 is about 11461.2484922019. The cubic root of 131360217 is about 508.3403915052.

The spelling of 131360217 in words is "one hundred thirty-one million, three hundred sixty thousand, two hundred seventeen".