30020323021331 has 4 divisors (see below), whose sum is σ = 30020629533552. Its totient is φ = 30020016509112.

The previous prime is 30020323021319. The next prime is 30020323021343. The reversal of 30020323021331 is 13312032302003.

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

It is an interprime number because it is at equal distance from previous prime (30020323021319) and next prime (30020323021343).

It is a cyclic number.

It is not a de Polignac number, because 30020323021331 - 2¹⁰ = 30020323020307 is a prime.

It is a super-2 number, since 2×30020323021331² (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 = 30020323021297 and 30020323021306.

It is not an unprimeable number, because it can be changed into a prime (30020323021631) 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, 153109151 + ... + 153305096.

It is an arithmetic number, because the mean of its divisors is an integer number (7505157383388).

Almost surely, 2^{30020323021331} is an apocalyptic number.

30020323021331 is a deficient number, since it is larger than the sum of its proper divisors (306512221).

30020323021331 is an equidigital number, since it uses as much as digits as its factorization.

30020323021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306512220.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30020323021331 its reverse (13312032302003), we get a palindrome (43332355323334).

The spelling of 30020323021331 in words is "thirty trillion, twenty billion, three hundred twenty-three million, twenty-one thousand, three hundred thirty-one".