3453240731 has 2 divisors, whose sum is σ = 3453240732. Its totient is φ = 3453240730.

The previous prime is 3453240701. The next prime is 3453240733. The reversal of 3453240731 is 1370423543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3453240731 - 2⁶ = 3453240667 is a prime.

It is a super-2 number, since 2×3453240731² = 23849743092474828722, which contains 22 as substring.

Together with 3453240733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3453240733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726620365 + 1726620366.

It is an arithmetic number, because the mean of its divisors is an integer number (1726620366).

Almost surely, 2^3453240731 is an apocalyptic number.

3453240731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3453240731 is an equidigital number, since it uses as much as digits as its factorization.

3453240731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 3453240731 is about 58764.2810812827. The cubic root of 3453240731 is about 1511.5027845605.

The spelling of 3453240731 in words is "three billion, four hundred fifty-three million, two hundred forty thousand, seven hundred thirty-one".