30112330022231 has 4 divisors (see below), whose sum is σ = 31421561762352. Its totient is φ = 28803098282112.

The previous prime is 30112330022219. The next prime is 30112330022239. The reversal of 30112330022231 is 13222003321103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30112330022231 is a prime.

It is a super-2 number, since 2×30112330022231² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1309231740097 = 30112330022231 / (3 + 0 + 1 + 1 + 2 + 3 + 3 + 0 + 0 + 2 + 2 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30112330022197 and 30112330022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112330022239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654615870026 + ... + 654615870071.

It is an arithmetic number, because the mean of its divisors is an integer number (7855390440588).

Almost surely, 2^{30112330022231} is an apocalyptic number.

30112330022231 is a deficient number, since it is larger than the sum of its proper divisors (1309231740121).

30112330022231 is a wasteful number, since it uses less digits than its factorization.

30112330022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309231740120.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30112330022231 its reverse (13222003321103), we get a palindrome (43334333343334).

The spelling of 30112330022231 in words is "thirty trillion, one hundred twelve billion, three hundred thirty million, twenty-two thousand, two hundred thirty-one".