132320231 has 8 divisors (see below), whose sum is σ = 140881104. Its totient is φ = 123845760.

The previous prime is 132320213. The next prime is 132320233. The reversal of 132320231 is 132023231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132320231 is a prime.

It is a super-2 number, since 2×132320231² = 35017287063786722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132320233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18425 + ... + 24578.

It is an arithmetic number, because the mean of its divisors is an integer number (17610138).

Almost surely, 2^132320231 is an apocalyptic number.

132320231 is a deficient number, since it is larger than the sum of its proper divisors (8560873).

132320231 is a wasteful number, since it uses less digits than its factorization.

132320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43201.

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

The square root of 132320231 is about 11503.0531164556. The cubic root of 132320231 is about 509.5757473936.

Adding to 132320231 its reverse (132023231), we get a palindrome (264343462).

The spelling of 132320231 in words is "one hundred thirty-two million, three hundred twenty thousand, two hundred thirty-one".