30022030331021 has 8 divisors (see below), whose sum is σ = 30057264477240. Its totient is φ = 29986802995968.

The previous prime is 30022030331017. The next prime is 30022030331057. The reversal of 30022030331021 is 12013303022003.

It can be written as a sum of positive squares in 4 ways, for example, as 3261325375396 + 26760704955625 = 1805914^2 + 5173075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30022030331021 - 2² = 30022030331017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30022030330984 and 30022030331002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022030331221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7144865 + ... + 10540073.

It is an arithmetic number, because the mean of its divisors is an integer number (3757158059655).

Almost surely, 2^{30022030331021} is an apocalyptic number.

It is an amenable number.

30022030331021 is a deficient number, since it is larger than the sum of its proper divisors (35234146219).

30022030331021 is an equidigital number, since it uses as much as digits as its factorization.

30022030331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405583.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30022030331021 its reverse (12013303022003), we get a palindrome (42035333353024).

The spelling of 30022030331021 in words is "thirty trillion, twenty-two billion, thirty million, three hundred thirty-one thousand, twenty-one".