30122023091 has 2 divisors, whose sum is σ = 30122023092. Its totient is φ = 30122023090.

The previous prime is 30122023067. The next prime is 30122023109. The reversal of 30122023091 is 19032022103.

Together with next prime (30122023109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30122023091 is a prime.

It is not a weakly prime, because it can be changed into another prime (30122023051) 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, 15061011545 + 15061011546.

It is an arithmetic number, because the mean of its divisors is an integer number (15061011546).

Almost surely, 2^30122023091 is an apocalyptic number.

30122023091 is a deficient number, since it is larger than the sum of its proper divisors (1).

30122023091 is an equidigital number, since it uses as much as digits as its factorization.

30122023091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30122023091 its reverse (19032022103), we get a palindrome (49154045194).

The spelling of 30122023091 in words is "thirty billion, one hundred twenty-two million, twenty-three thousand, ninety-one".