3321312403 has 2 divisors, whose sum is σ = 3321312404. Its totient is φ = 3321312402.

The previous prime is 3321312383. The next prime is 3321312419. The reversal of 3321312403 is 3042131233.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3321312403 - 2²⁵ = 3287757971 is a prime.

It is a super-2 number, since 2×3321312403² = 22062232156643268818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3321312473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660656201 + 1660656202.

It is an arithmetic number, because the mean of its divisors is an integer number (1660656202).

Almost surely, 2^3321312403 is an apocalyptic number.

3321312403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321312403 is an equidigital number, since it uses as much as digits as its factorization.

3321312403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3321312403 is about 57630.8285815847. The cubic root of 3321312403 is about 1492.0037307909.

Adding to 3321312403 its reverse (3042131233), we get a palindrome (6363443636).

The spelling of 3321312403 in words is "three billion, three hundred twenty-one million, three hundred twelve thousand, four hundred three".