30451054243 has 2 divisors, whose sum is σ = 30451054244. Its totient is φ = 30451054242.

The previous prime is 30451054157. The next prime is 30451054259. The reversal of 30451054243 is 34245015403.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30451054243 is a prime.

It is not a weakly prime, because it can be changed into another prime (30451054043) 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, 15225527121 + 15225527122.

It is an arithmetic number, because the mean of its divisors is an integer number (15225527122).

Almost surely, 2^30451054243 is an apocalyptic number.

30451054243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30451054243 is an equidigital number, since it uses as much as digits as its factorization.

30451054243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 30451054243 its reverse (34245015403), we get a palindrome (64696069646).

The spelling of 30451054243 in words is "thirty billion, four hundred fifty-one million, fifty-four thousand, two hundred forty-three".