132204431 has 4 divisors (see below), whose sum is σ = 132487992. Its totient is φ = 131920872.

The previous prime is 132204409. The next prime is 132204439. The reversal of 132204431 is 134402231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132204431 is a prime.

It is a super-2 number, since 2×132204431² = 34956023152067522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132204439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141080 + ... + 142013.

It is an arithmetic number, because the mean of its divisors is an integer number (33121998).

Almost surely, 2^132204431 is an apocalyptic number.

132204431 is a deficient number, since it is larger than the sum of its proper divisors (283561).

132204431 is an equidigital number, since it uses as much as digits as its factorization.

132204431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283560.

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

The square root of 132204431 is about 11498.0185684317. The cubic root of 132204431 is about 509.4270523343.

Adding to 132204431 its reverse (134402231), we get a palindrome (266606662).

The spelling of 132204431 in words is "one hundred thirty-two million, two hundred four thousand, four hundred thirty-one".