132323431 has 4 divisors (see below), whose sum is σ = 132445152. Its totient is φ = 132201712.

The previous prime is 132323419. The next prime is 132323437. The reversal of 132323431 is 134323231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134323231 = 7 ⋅19189033.

It is a cyclic number.

It is not a de Polignac number, because 132323431 - 2⁹ = 132322919 is a prime.

It is a super-2 number, since 2×132323431² = 35018980783223522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132323437) 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, 59215 + ... + 61408.

It is an arithmetic number, because the mean of its divisors is an integer number (33111288).

Almost surely, 2^132323431 is an apocalyptic number.

132323431 is a deficient number, since it is larger than the sum of its proper divisors (121721).

132323431 is a wasteful number, since it uses less digits than its factorization.

132323431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121720.

The product of its digits is 1296, while the sum is 22.

The square root of 132323431 is about 11503.1922091218. The cubic root of 132323431 is about 509.5798551788.

Adding to 132323431 its reverse (134323231), we get a palindrome (266646662).

The spelling of 132323431 in words is "one hundred thirty-two million, three hundred twenty-three thousand, four hundred thirty-one".