30111302302231 has 2 divisors, whose sum is σ = 30111302302232. Its totient is φ = 30111302302230.

The previous prime is 30111302302229. The next prime is 30111302302309. The reversal of 30111302302231 is 13220320311103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30111302302231 - 2¹ = 30111302302229 is a prime.

It is a super-2 number, since 2×30111302302231² (a number of 28 digits) contains 22 as substring.

Together with 30111302302229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30111302332231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055651151115 + 15055651151116.

It is an arithmetic number, because the mean of its divisors is an integer number (15055651151116).

Almost surely, 2^{30111302302231} is an apocalyptic number.

30111302302231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111302302231 is an equidigital number, since it uses as much as digits as its factorization.

30111302302231 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 22.

Adding to 30111302302231 its reverse (13220320311103), we get a palindrome (43331622613334).

The spelling of 30111302302231 in words is "thirty trillion, one hundred eleven billion, three hundred two million, three hundred two thousand, two hundred thirty-one".