132113431 has 4 divisors (see below), whose sum is σ = 132286000. Its totient is φ = 131940864.

The previous prime is 132113419. The next prime is 132113447. The reversal of 132113431 is 134311231.

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 132113431 - 2¹¹ = 132111383 is a prime.

It is a super-2 number, since 2×132113431² = 34907917301183522, 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 = 132113399 and 132113408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132113411) 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, 85131 + ... + 86668.

It is an arithmetic number, because the mean of its divisors is an integer number (33071500).

Almost surely, 2^132113431 is an apocalyptic number.

132113431 is a deficient number, since it is larger than the sum of its proper divisors (172569).

132113431 is an equidigital number, since it uses as much as digits as its factorization.

132113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172568.

The product of its digits is 216, while the sum is 19.

The square root of 132113431 is about 11494.0606836749. The cubic root of 132113431 is about 509.3101412193.

Adding to 132113431 its reverse (134311231), we get a palindrome (266424662).

The spelling of 132113431 in words is "one hundred thirty-two million, one hundred thirteen thousand, four hundred thirty-one".