30133320321 has 32 divisors (see below), whose sum is σ = 44697848832. Its totient is φ = 17931847680.

The previous prime is 30133320253. The next prime is 30133320341. The reversal of 30133320321 is 12302333103.

It is not a de Polignac number, because 30133320321 - 2¹⁰ = 30133319297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30133320341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1723801 + ... + 1741193.

It is an arithmetic number, because the mean of its divisors is an integer number (1396807776).

Almost surely, 2^30133320321 is an apocalyptic number.

30133320321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30133320321 is a deficient number, since it is larger than the sum of its proper divisors (14564528511).

30133320321 is a wasteful number, since it uses less digits than its factorization.

30133320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18873.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30133320321 its reverse (12302333103), we get a palindrome (42435653424).

The spelling of 30133320321 in words is "thirty billion, one hundred thirty-three million, three hundred twenty thousand, three hundred twenty-one".