131203232 has 24 divisors (see below), whose sum is σ = 259429716. Its totient is φ = 65316352.

The previous prime is 131203217. The next prime is 131203301. The reversal of 131203232 is 232302131.

It can be written as a sum of positive squares in 2 ways, for example, as 104121616 + 27081616 = 10204^2 + 5204^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131203232.

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, 1343 + ... + 16254.

Almost surely, 2^131203232 is an apocalyptic number.

It is an amenable number.

131203232 is a deficient number, since it is larger than the sum of its proper divisors (128226484).

131203232 is a wasteful number, since it uses less digits than its factorization.

131203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17840 (or 17832 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131203232 is about 11454.3979326720. The cubic root of 131203232 is about 508.1378095542.

Adding to 131203232 its reverse (232302131), we get a palindrome (363505363).

The spelling of 131203232 in words is "one hundred thirty-one million, two hundred three thousand, two hundred thirty-two".