30231111023 has 2 divisors, whose sum is σ = 30231111024. Its totient is φ = 30231111022.

The previous prime is 30231111017. The next prime is 30231111041. The reversal of 30231111023 is 32011113203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30231111023 - 2⁴ = 30231111007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30231110992 and 30231111010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231110023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115555511 + 15115555512.

It is an arithmetic number, because the mean of its divisors is an integer number (15115555512).

Almost surely, 2^30231111023 is an apocalyptic number.

30231111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231111023 is an equidigital number, since it uses as much as digits as its factorization.

30231111023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30231111023 its reverse (32011113203), we get a palindrome (62242224226).

The spelling of 30231111023 in words is "thirty billion, two hundred thirty-one million, one hundred eleven thousand, twenty-three".