3113343643 has 2 divisors, whose sum is σ = 3113343644. Its totient is φ = 3113343642.

The previous prime is 3113343619. The next prime is 3113343647. The reversal of 3113343643 is 3463433113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113343643 is a prime.

It is a super-2 number, since 2×3113343643² = 19385817278817022898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3113343647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556671821 + 1556671822.

It is an arithmetic number, because the mean of its divisors is an integer number (1556671822).

Almost surely, 2^3113343643 is an apocalyptic number.

3113343643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113343643 is an equidigital number, since it uses as much as digits as its factorization.

3113343643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 31.

The square root of 3113343643 is about 55797.3444081347. The cubic root of 3113343643 is about 1460.1888232357.

Adding to 3113343643 its reverse (3463433113), we get a palindrome (6576776756).

The spelling of 3113343643 in words is "three billion, one hundred thirteen million, three hundred forty-three thousand, six hundred forty-three".