132530331 has 4 divisors (see below), whose sum is σ = 176707112. Its totient is φ = 88353552.

The previous prime is 132530311. The next prime is 132530341. The reversal of 132530331 is 133035231.

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

It is not a de Polignac number, because 132530331 - 2¹⁷ = 132399259 is a prime.

It is a super-2 number, since 2×132530331² = 35128577269939122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 132530298 and 132530307.

It is not an unprimeable number, because it can be changed into a prime (132530311) 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, 22088386 + ... + 22088391.

It is an arithmetic number, because the mean of its divisors is an integer number (44176778).

Almost surely, 2^132530331 is an apocalyptic number.

132530331 is a deficient number, since it is larger than the sum of its proper divisors (44176781).

132530331 is an equidigital number, since it uses as much as digits as its factorization.

132530331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44176780.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 132530331 is about 11512.1818522815. The cubic root of 132530331 is about 509.8453087168.

Adding to 132530331 its reverse (133035231), we get a palindrome (265565562).

The spelling of 132530331 in words is "one hundred thirty-two million, five hundred thirty thousand, three hundred thirty-one".