30123311112133 has 2 divisors, whose sum is σ = 30123311112134. Its totient is φ = 30123311112132.

The previous prime is 30123311112121. The next prime is 30123311112149. The reversal of 30123311112133 is 33121111332103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30115048847524 + 8262264609 = 5487718^2 + 90897^2 .

It is a cyclic number.

It is not a de Polignac number, because 30123311112133 - 2³⁷ = 29985872158661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30123311112098 and 30123311112107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30123311112233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061655556066 + 15061655556067.

It is an arithmetic number, because the mean of its divisors is an integer number (15061655556067).

Almost surely, 2^{30123311112133} is an apocalyptic number.

It is an amenable number.

30123311112133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123311112133 is an equidigital number, since it uses as much as digits as its factorization.

30123311112133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 30123311112133 its reverse (33121111332103), we get a palindrome (63244422444236).

The spelling of 30123311112133 in words is "thirty trillion, one hundred twenty-three billion, three hundred eleven million, one hundred twelve thousand, one hundred thirty-three".