3345681931 has 2 divisors, whose sum is σ = 3345681932. Its totient is φ = 3345681930.

The previous prime is 3345681853. The next prime is 3345681953. The reversal of 3345681931 is 1391865433.

3345681931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3345681931 - 2⁷ = 3345681803 is a prime.

It is a super-2 number, since 2×3345681931² = 22387175166839777522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3345651931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672840965 + 1672840966.

It is an arithmetic number, because the mean of its divisors is an integer number (1672840966).

Almost surely, 2^3345681931 is an apocalyptic number.

3345681931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345681931 is an equidigital number, since it uses as much as digits as its factorization.

3345681931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 43.

The square root of 3345681931 is about 57841.8700510279. The cubic root of 3345681931 is about 1495.6439444693.

The spelling of 3345681931 in words is "three billion, three hundred forty-five million, six hundred eighty-one thousand, nine hundred thirty-one".