30140342291 has 2 divisors, whose sum is σ = 30140342292. Its totient is φ = 30140342290.

The previous prime is 30140342269. The next prime is 30140342311. The reversal of 30140342291 is 19224304103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30140342291 is a prime.

It is not a weakly prime, because it can be changed into another prime (30140342891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15070171145 + 15070171146.

It is an arithmetic number, because the mean of its divisors is an integer number (15070171146).

Almost surely, 2^30140342291 is an apocalyptic number.

30140342291 is a deficient number, since it is larger than the sum of its proper divisors (1).

30140342291 is an equidigital number, since it uses as much as digits as its factorization.

30140342291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 30140342291 its reverse (19224304103), we get a palindrome (49364646394).

The spelling of 30140342291 in words is "thirty billion, one hundred forty million, three hundred forty-two thousand, two hundred ninety-one".