30112321130231 has 4 divisors (see below), whose sum is σ = 30115240981632. Its totient is φ = 30109401278832.

The previous prime is 30112321130159. The next prime is 30112321130233. The reversal of 30112321130231 is 13203112321103.

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-30112321130231 is a prime.

It is a super-2 number, since 2×30112321130231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30112321130197 and 30112321130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112321130233) 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, 1459910231 + ... + 1459930856.

It is an arithmetic number, because the mean of its divisors is an integer number (7528810245408).

Almost surely, 2^{30112321130231} is an apocalyptic number.

30112321130231 is a deficient number, since it is larger than the sum of its proper divisors (2919851401).

30112321130231 is a wasteful number, since it uses less digits than its factorization.

30112321130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919851400.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30112321130231 its reverse (13203112321103), we get a palindrome (43315433451334).

The spelling of 30112321130231 in words is "thirty trillion, one hundred twelve billion, three hundred twenty-one million, one hundred thirty thousand, two hundred thirty-one".