3321040243 has 2 divisors, whose sum is σ = 3321040244. Its totient is φ = 3321040242.

The previous prime is 3321040169. The next prime is 3321040271. The reversal of 3321040243 is 3420401233.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3321040243 - 2¹⁷ = 3320909171 is a prime.

It is a super-2 number, since 2×3321040243² = 22058616591250998098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3321040643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660520121 + 1660520122.

It is an arithmetic number, because the mean of its divisors is an integer number (1660520122).

Almost surely, 2^3321040243 is an apocalyptic number.

3321040243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321040243 is an equidigital number, since it uses as much as digits as its factorization.

3321040243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3321040243 is about 57628.4672969879. The cubic root of 3321040243 is about 1491.9629763362.

Adding to 3321040243 its reverse (3420401233), we get a palindrome (6741441476).

The spelling of 3321040243 in words is "three billion, three hundred twenty-one million, forty thousand, two hundred forty-three".