132315431 has 4 divisors (see below), whose sum is σ = 132518712. Its totient is φ = 132112152.

The previous prime is 132315383. The next prime is 132315433. The reversal of 132315431 is 134513231.

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

It is a cyclic number.

It is not a de Polignac number, because 132315431 - 2²² = 128121127 is a prime.

It is a super-2 number, since 2×132315431² = 35014746561431522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132315397 and 132315406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132315433) 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 3 ways as a sum of consecutive naturals, for example, 100661 + ... + 101966.

It is an arithmetic number, because the mean of its divisors is an integer number (33129678).

Almost surely, 2^132315431 is an apocalyptic number.

132315431 is a deficient number, since it is larger than the sum of its proper divisors (203281).

132315431 is an equidigital number, since it uses as much as digits as its factorization.

132315431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203280.

The product of its digits is 1080, while the sum is 23.

The square root of 132315431 is about 11502.8444743029. The cubic root of 132315431 is about 509.5695855917.

Adding to 132315431 its reverse (134513231), we get a palindrome (266828662).

The spelling of 132315431 in words is "one hundred thirty-two million, three hundred fifteen thousand, four hundred thirty-one".