131884349 has 4 divisors (see below), whose sum is σ = 131910240. Its totient is φ = 131858460.

The previous prime is 131884327. The next prime is 131884463. The reversal of 131884349 is 943488131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 943488131 = 31 ⋅30435101.

It is a cyclic number.

It is not a de Polignac number, because 131884349 - 2²⁴ = 115107133 is a prime.

It is a super-2 number, since 2×131884349² = 34786963022307602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131884849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489 + ... + 16430.

It is an arithmetic number, because the mean of its divisors is an integer number (32977560).

Almost surely, 2^131884349 is an apocalyptic number.

It is an amenable number.

131884349 is a deficient number, since it is larger than the sum of its proper divisors (25891).

131884349 is an equidigital number, since it uses as much as digits as its factorization.

131884349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25890.

The product of its digits is 82944, while the sum is 41.

The square root of 131884349 is about 11484.0911264235. The cubic root of 131884349 is about 509.0155931011.

The spelling of 131884349 in words is "one hundred thirty-one million, eight hundred eighty-four thousand, three hundred forty-nine".