2132431 has 8 divisors (see below), whose sum is σ = 2487200. Its totient is φ = 1827504.

The previous prime is 2132419. The next prime is 2132461. The reversal of 2132431 is 1342312.

It is a happy number.

It is not a de Polignac number, because 2132431 - 2⁷ = 2132303 is a prime.

It is a super-2 number, since 2×2132431² = 9094523939522, which contains 22 as substring.

It is a Duffinian number.

2132431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2766 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (310900).

2^2132431 is an apocalyptic number.

2132431 is a deficient number, since it is larger than the sum of its proper divisors (354769).

2132431 is an frugal number, since it uses more digits than its factorization.

2132431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238 (or 6224 counting only the distinct ones).

The product of its digits is 144, while the sum is 16.

The square root of 2132431 is about 1460.2845613099. The cubic root of 2132431 is about 128.7137655284.

Adding to 2132431 its reverse (1342312), we get a palindrome (3474743).

The spelling of 2132431 in words is "two million, one hundred thirty-two thousand, four hundred thirty-one".