30231310123 has 4 divisors (see below), whose sum is σ = 34550068720. Its totient is φ = 25912551528.

The previous prime is 30231310093. The next prime is 30231310129. The reversal of 30231310123 is 32101313203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32101313203 = 229 ⋅140180407.

It is a cyclic number.

It is not a de Polignac number, because 30231310123 - 2³³ = 21641375531 is a prime.

It is a super-2 number, since 2×30231310123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30231310123.

It is not an unprimeable number, because it can be changed into a prime (30231310129) 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, 2159379288 + ... + 2159379301.

It is an arithmetic number, because the mean of its divisors is an integer number (8637517180).

Almost surely, 2^30231310123 is an apocalyptic number.

30231310123 is a deficient number, since it is larger than the sum of its proper divisors (4318758597).

30231310123 is an equidigital number, since it uses as much as digits as its factorization.

30231310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318758596.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30231310123 its reverse (32101313203), we get a palindrome (62332623326).

The spelling of 30231310123 in words is "thirty billion, two hundred thirty-one million, three hundred ten thousand, one hundred twenty-three".