131332232 has 16 divisors (see below), whose sum is σ = 246896640. Its totient is φ = 65493136.

The previous prime is 131332211. The next prime is 131332273. The reversal of 131332232 is 232233131.

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, 18368 + ... + 24495.

It is an arithmetic number, because the mean of its divisors is an integer number (15431040).

Almost surely, 2^131332232 is an apocalyptic number.

It is an amenable number.

131332232 is a deficient number, since it is larger than the sum of its proper divisors (115564408).

131332232 is a wasteful number, since it uses less digits than its factorization.

131332232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43252 (or 43248 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 131332232 is about 11460.0275741379. The cubic root of 131332232 is about 508.3042899707.

Adding to 131332232 its reverse (232233131), we get a palindrome (363565363).

The spelling of 131332232 in words is "one hundred thirty-one million, three hundred thirty-two thousand, two hundred thirty-two".