30830743 has 2 divisors, whose sum is σ = 30830744. Its totient is φ = 30830742.

The previous prime is 30830717. The next prime is 30830753. The reversal of 30830743 is 34703803.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30830743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30830753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15415371 + 15415372.

It is an arithmetic number, because the mean of its divisors is an integer number (15415372).

Almost surely, 2^30830743 is an apocalyptic number.

30830743 is a deficient number, since it is larger than the sum of its proper divisors (1).

30830743 is an equidigital number, since it uses as much as digits as its factorization.

30830743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 30830743 is about 5552.5438314344. The cubic root of 30830743 is about 313.5653004121.

The spelling of 30830743 in words is "thirty million, eight hundred thirty thousand, seven hundred forty-three".