30312101023 has 2 divisors, whose sum is σ = 30312101024. Its totient is φ = 30312101022.

The previous prime is 30312100997. The next prime is 30312101033. The reversal of 30312101023 is 32010121303.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30312101023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30312100988 and 30312101006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30312101033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15156050511 + 15156050512.

It is an arithmetic number, because the mean of its divisors is an integer number (15156050512).

Almost surely, 2^30312101023 is an apocalyptic number.

30312101023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30312101023 is an equidigital number, since it uses as much as digits as its factorization.

30312101023 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 16.

Adding to 30312101023 its reverse (32010121303), we get a palindrome (62322222326).

The spelling of 30312101023 in words is "thirty billion, three hundred twelve million, one hundred one thousand, twenty-three".