131201432 has 16 divisors (see below), whose sum is σ = 246192000. Its totient is φ = 65550240.

The previous prime is 131201417. The next prime is 131201443. The reversal of 131201432 is 234102131.

131201432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 131201432.

It is a congruent number.

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, 6194 + ... + 17342.

It is an arithmetic number, because the mean of its divisors is an integer number (15387000).

Almost surely, 2^131201432 is an apocalyptic number.

It is an amenable number.

131201432 is a deficient number, since it is larger than the sum of its proper divisors (114990568).

131201432 is a wasteful number, since it uses less digits than its factorization.

131201432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626 (or 12622 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131201432 is about 11454.3193599620. The cubic root of 131201432 is about 508.1354857998.

Adding to 131201432 its reverse (234102131), we get a palindrome (365303563).

The spelling of 131201432 in words is "one hundred thirty-one million, two hundred one thousand, four hundred thirty-two".