131004232 has 16 divisors (see below), whose sum is σ = 246095100. Its totient is φ = 65378880.

The previous prime is 131004217. The next prime is 131004253. The reversal of 131004232 is 232400131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128913316 + 2090916 = 11354^2 + 1446^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10807 + ... + 19462.

Almost surely, 2^131004232 is an apocalyptic number.

It is an amenable number.

131004232 is a deficient number, since it is larger than the sum of its proper divisors (115090868).

131004232 is a wasteful number, since it uses less digits than its factorization.

131004232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30816 (or 30812 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131004232 is about 11445.7080165449. The cubic root of 131004232 is about 507.8807767831.

Adding to 131004232 its reverse (232400131), we get a palindrome (363404363).

The spelling of 131004232 in words is "one hundred thirty-one million, four thousand, two hundred thirty-two".