3231431 has 8 divisors (see below), whose sum is σ = 3853824. Its totient is φ = 2649240.

The previous prime is 3231427. The next prime is 3231433. The reversal of 3231431 is 1341323.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3231431 - 2² = 3231427 is a prime.

It is a super-2 number, since 2×3231431² = 20884292615522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231433) 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, 9875 + ... + 10196.

It is an arithmetic number, because the mean of its divisors is an integer number (481728).

Almost surely, 2^3231431 is an apocalyptic number.

3231431 is a deficient number, since it is larger than the sum of its proper divisors (622393).

3231431 is a wasteful number, since it uses less digits than its factorization.

3231431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20101.

The product of its digits is 216, while the sum is 17.

The square root of 3231431 is about 1797.6181463259. The cubic root of 3231431 is about 147.8421588476.

Adding to 3231431 its reverse (1341323), we get a palindrome (4572754).

The spelling of 3231431 in words is "three million, two hundred thirty-one thousand, four hundred thirty-one".