30232111231 has 32 divisors (see below), whose sum is σ = 36612172800. Its totient is φ = 24386158080.

The previous prime is 30232111213. The next prime is 30232111267. The reversal of 30232111231 is 13211123203.

It is a cyclic number.

It is not a de Polignac number, because 30232111231 - 2¹¹ = 30232109183 is a prime.

It is a super-2 number, since 2×30232111231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 30232111199 and 30232111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232111201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13988791 + ... + 13990951.

It is an arithmetic number, because the mean of its divisors is an integer number (1144130400).

Almost surely, 2^30232111231 is an apocalyptic number.

30232111231 is a deficient number, since it is larger than the sum of its proper divisors (6380061569).

30232111231 is a wasteful number, since it uses less digits than its factorization.

30232111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30232111231 its reverse (13211123203), we get a palindrome (43443234434).

The spelling of 30232111231 in words is "thirty billion, two hundred thirty-two million, one hundred eleven thousand, two hundred thirty-one".