3321331456 has 18 divisors (see below), whose sum is σ = 6629689472. Its totient is φ = 1660665600.

The previous prime is 3321331421. The next prime is 3321331457. The reversal of 3321331456 is 6541331233.

It is a super-2 number, since 2×3321331456² = 22062485281230159872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321331457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6486720 + ... + 6487231.

Almost surely, 2^3321331456 is an apocalyptic number.

It is an amenable number.

3321331456 is a deficient number, since it is larger than the sum of its proper divisors (3308358016).

3321331456 is an equidigital number, since it uses as much as digits as its factorization.

3321331456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973967 (or 12973953 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 3321331456 is about 57630.9938834999. The cubic root of 3321331456 is about 1492.0065837888.

Adding to 3321331456 its reverse (6541331233), we get a palindrome (9862662689).

The spelling of 3321331456 in words is "three billion, three hundred twenty-one million, three hundred thirty-one thousand, four hundred fifty-six".