30020031221323 has 64 divisors (see below), whose sum is σ = 36708539535360. Its totient is φ = 24183206812800.

The previous prime is 30020031221293. The next prime is 30020031221371. The reversal of 30020031221323 is 32312213002003.

It is a cyclic number.

It is not a de Polignac number, because 30020031221323 - 2³⁷ = 29882592267851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30020031221294 and 30020031221303.

It is not an unprimeable number, because it can be changed into a prime (30020031221723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2492730940 + ... + 2492742982.

It is an arithmetic number, because the mean of its divisors is an integer number (573570930240).

Almost surely, 2^{30020031221323} is an apocalyptic number.

30020031221323 is a deficient number, since it is larger than the sum of its proper divisors (6688508314037).

30020031221323 is a wasteful number, since it uses less digits than its factorization.

30020031221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19040.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30020031221323 its reverse (32312213002003), we get a palindrome (62332244223326).

The spelling of 30020031221323 in words is "thirty trillion, twenty billion, thirty-one million, two hundred twenty-one thousand, three hundred twenty-three".