3320431 has 2 divisors, whose sum is σ = 3320432. Its totient is φ = 3320430.

The previous prime is 3320381. The next prime is 3320477. The reversal of 3320431 is 1340233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3320431 - 2⁹ = 3319919 is a prime.

It is a super-2 number, since 2×3320431² = 22050524051522, which contains 22 as substring.

3320431 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3326431) 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 as a sum of consecutive naturals, namely, 1660215 + 1660216.

It is an arithmetic number, because the mean of its divisors is an integer number (1660216).

Almost surely, 2^3320431 is an apocalyptic number.

3320431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3320431 is an equidigital number, since it uses as much as digits as its factorization.

3320431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3320431 is about 1822.2049829808. The cubic root of 3320431 is about 149.1871737495.

Adding to 3320431 its reverse (1340233), we get a palindrome (4660664).

The spelling of 3320431 in words is "three million, three hundred twenty thousand, four hundred thirty-one".