30378312043 has 2 divisors, whose sum is σ = 30378312044. Its totient is φ = 30378312042.

The previous prime is 30378312031. The next prime is 30378312049. The reversal of 30378312043 is 34021387303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30378312043 - 2³³ = 21788377451 is a prime.

It is not a weakly prime, because it can be changed into another prime (30378312049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15189156021 + 15189156022.

It is an arithmetic number, because the mean of its divisors is an integer number (15189156022).

Almost surely, 2^30378312043 is an apocalyptic number.

30378312043 is a deficient number, since it is larger than the sum of its proper divisors (1).

30378312043 is an equidigital number, since it uses as much as digits as its factorization.

30378312043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 30378312043 its reverse (34021387303), we get a palindrome (64399699346).

The spelling of 30378312043 in words is "thirty billion, three hundred seventy-eight million, three hundred twelve thousand, forty-three".