131232242 has 8 divisors (see below), whose sum is σ = 196900956. Its totient is φ = 65598592.

The previous prime is 131232209. The next prime is 131232251. The reversal of 131232242 is 242232131.

It can be written as a sum of positive squares in 2 ways, for example, as 116014441 + 15217801 = 10771^2 + 3901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4778 + ... + 16890.

Almost surely, 2^131232242 is an apocalyptic number.

131232242 is a deficient number, since it is larger than the sum of its proper divisors (65668714).

131232242 is a wasteful number, since it uses less digits than its factorization.

131232242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532.

The product of its digits is 576, while the sum is 20.

The square root of 131232242 is about 11455.6641885139. The cubic root of 131232242 is about 508.1752577972.

Adding to 131232242 its reverse (242232131), we get a palindrome (373464373).

The spelling of 131232242 in words is "one hundred thirty-one million, two hundred thirty-two thousand, two hundred forty-two".