131924243 has 12 divisors (see below), whose sum is σ = 145459440. Its totient is φ = 119557680.

The previous prime is 131924237. The next prime is 131924263. The reversal of 131924243 is 342429131.

It is not a de Polignac number, because 131924243 - 2²⁴ = 115147027 is a prime.

It is a super-2 number, since 2×131924243² = 34808011782246098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131924263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41921 + ... + 44957.

It is an arithmetic number, because the mean of its divisors is an integer number (12121620).

Almost surely, 2^131924243 is an apocalyptic number.

131924243 is a deficient number, since it is larger than the sum of its proper divisors (13535197).

131924243 is a wasteful number, since it uses less digits than its factorization.

131924243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418 (or 3407 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 131924243 is about 11485.8279196582. The cubic root of 131924243 is about 509.0669123594.

The spelling of 131924243 in words is "one hundred thirty-one million, nine hundred twenty-four thousand, two hundred forty-three".