131352219 has 8 divisors (see below), whose sum is σ = 194595920. Its totient is φ = 87568128.

The previous prime is 131352203. The next prime is 131352283. The reversal of 131352219 is 912253131.

131352219 is a `hidden beast` number, since 131 + 3 + 522 + 1 + 9 = 666.

It is not a de Polignac number, because 131352219 - 2⁴ = 131352203 is a prime.

It is a super-2 number, since 2×131352219² = 34506810872447922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4864897 = 131352219 / (1 + 3 + 1 + 3 + 5 + 2 + 2 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131352192 and 131352201.

It is not an unprimeable number, because it can be changed into a prime (131352289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2432422 + ... + 2432475.

It is an arithmetic number, because the mean of its divisors is an integer number (24324490).

Almost surely, 2^131352219 is an apocalyptic number.

131352219 is a deficient number, since it is larger than the sum of its proper divisors (63243701).

131352219 is an equidigital number, since it uses as much as digits as its factorization.

131352219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864906 (or 4864900 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 131352219 is about 11460.8995720231. The cubic root of 131352219 is about 508.3300743558.

The spelling of 131352219 in words is "one hundred thirty-one million, three hundred fifty-two thousand, two hundred nineteen".