30112203231 has 12 divisors (see below), whose sum is σ = 47449532520. Its totient is φ = 18249820080.

The previous prime is 30112203229. The next prime is 30112203239. The reversal of 30112203231 is 13230221103.

It is not a de Polignac number, because 30112203231 - 2¹ = 30112203229 is a prime.

It is a super-2 number, since 2×30112203231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112203239) 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 in 11 ways as a sum of consecutive naturals, for example, 152081736 + ... + 152081933.

It is an arithmetic number, because the mean of its divisors is an integer number (3954127710).

Almost surely, 2^30112203231 is an apocalyptic number.

30112203231 is a deficient number, since it is larger than the sum of its proper divisors (17337329289).

30112203231 is a wasteful number, since it uses less digits than its factorization.

30112203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304163686 (or 304163683 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30112203231 its reverse (13230221103), we get a palindrome (43342424334).

The spelling of 30112203231 in words is "thirty billion, one hundred twelve million, two hundred three thousand, two hundred thirty-one".