3200431 has 4 divisors (see below), whose sum is σ = 3446632. Its totient is φ = 2954232.

The previous prime is 3200429. The next prime is 3200443. The reversal of 3200431 is 1340023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340023 = 163 ⋅8221.

It is a cyclic number.

It is not a de Polignac number, because 3200431 - 2¹ = 3200429 is a prime.

It is a super-2 number, since 2×3200431² = 20485517171522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 246187 = 3200431 / (3 + 2 + 0 + 0 + 4 + 3 + 1).

It is a Duffinian number.

3200431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123081 + ... + 123106.

It is an arithmetic number, because the mean of its divisors is an integer number (861658).

Almost surely, 2^3200431 is an apocalyptic number.

3200431 is a deficient number, since it is larger than the sum of its proper divisors (246201).

3200431 is a wasteful number, since it uses less digits than its factorization.

3200431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246200.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3200431 is about 1788.9748461060. The cubic root of 3200431 is about 147.3678755552.

Adding to 3200431 its reverse (1340023), we get a palindrome (4540454).

The spelling of 3200431 in words is "three million, two hundred thousand, four hundred thirty-one".