30112133231 has 2 divisors, whose sum is σ = 30112133232. Its totient is φ = 30112133230.

The previous prime is 30112133203. The next prime is 30112133279. The reversal of 30112133231 is 13233121103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30112133231 - 2¹⁸ = 30111871087 is a prime.

It is a super-2 number, since 2×30112133231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30112133291) 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, 15056066615 + 15056066616.

It is an arithmetic number, because the mean of its divisors is an integer number (15056066616).

Almost surely, 2^30112133231 is an apocalyptic number.

30112133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112133231 is an equidigital number, since it uses as much as digits as its factorization.

30112133231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30112133231 its reverse (13233121103), we get a palindrome (43345254334).

The spelling of 30112133231 in words is "thirty billion, one hundred twelve million, one hundred thirty-three thousand, two hundred thirty-one".