3321431 has 4 divisors (see below), whose sum is σ = 3347712. Its totient is φ = 3295152.

The previous prime is 3321421. The next prime is 3321467. The reversal of 3321431 is 1341233.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1341233 = 41 ⋅32713.

It is a cyclic number.

It is not a de Polignac number, because 3321431 - 2¹⁴ = 3305047 is a prime.

It is a super-2 number, since 2×3321431² = 22063807775522, 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 (3321401) 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, 12950 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (836928).

Almost surely, 2^3321431 is an apocalyptic number.

3321431 is a deficient number, since it is larger than the sum of its proper divisors (26281).

3321431 is a wasteful number, since it uses less digits than its factorization.

3321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26280.

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

The square root of 3321431 is about 1822.4793551643. The cubic root of 3321431 is about 149.2021489339.

Adding to 3321431 its reverse (1341233), we get a palindrome (4662664).

The spelling of 3321431 in words is "three million, three hundred twenty-one thousand, four hundred thirty-one".