30320224021231 has 4 divisors (see below), whose sum is σ = 30320300249512. Its totient is φ = 30320147792952.

The previous prime is 30320224021223. The next prime is 30320224021247. The reversal of 30320224021231 is 13212042202303.

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

It is a cyclic number.

It is not a de Polignac number, because 30320224021231 - 2³ = 30320224021223 is a prime.

It is a super-2 number, since 2×30320224021231² (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 = 30320224021196 and 30320224021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320224021271) 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, 37514361 + ... + 38314066.

It is an arithmetic number, because the mean of its divisors is an integer number (7580075062378).

Almost surely, 2^{30320224021231} is an apocalyptic number.

30320224021231 is a deficient number, since it is larger than the sum of its proper divisors (76228281).

30320224021231 is an equidigital number, since it uses as much as digits as its factorization.

30320224021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76228280.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30320224021231 its reverse (13212042202303), we get a palindrome (43532266223534).

The spelling of 30320224021231 in words is "thirty trillion, three hundred twenty billion, two hundred twenty-four million, twenty-one thousand, two hundred thirty-one".