131732243 has 2 divisors, whose sum is σ = 131732244. Its totient is φ = 131732242.

The previous prime is 131732233. The next prime is 131732267. The reversal of 131732243 is 342237131.

It is a weak prime.

It is an emirp because it is prime and its reverse (342237131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131732243 - 2⁸ = 131731987 is a prime.

It is a super-2 number, since 2×131732243² = 34706767691622098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131732233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65866121 + 65866122.

It is an arithmetic number, because the mean of its divisors is an integer number (65866122).

Almost surely, 2^131732243 is an apocalyptic number.

131732243 is a deficient number, since it is larger than the sum of its proper divisors (1).

131732243 is an equidigital number, since it uses as much as digits as its factorization.

131732243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 131732243 is about 11477.4667501152. The cubic root of 131732243 is about 508.8198303977.

Adding to 131732243 its reverse (342237131), we get a palindrome (473969374).

The spelling of 131732243 in words is "one hundred thirty-one million, seven hundred thirty-two thousand, two hundred forty-three".