30221031312023 has 4 divisors (see below), whose sum is σ = 30221119770408. Its totient is φ = 30220942853640.

The previous prime is 30221031312019. The next prime is 30221031312091. The reversal of 30221031312023 is 32021313012203.

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 30221031312023 - 2² = 30221031312019 is a prime.

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 30221031312023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221031312223) 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, 43714736 + ... + 44400677.

It is an arithmetic number, because the mean of its divisors is an integer number (7555279942602).

Almost surely, 2^{30221031312023} is an apocalyptic number.

30221031312023 is a deficient number, since it is larger than the sum of its proper divisors (88458385).

30221031312023 is an equidigital number, since it uses as much as digits as its factorization.

30221031312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88458384.

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

Adding to 30221031312023 its reverse (32021313012203), we get a palindrome (62242344324226).

The spelling of 30221031312023 in words is "thirty trillion, two hundred twenty-one billion, thirty-one million, three hundred twelve thousand, twenty-three".