30221021131 has 8 divisors (see below), whose sum is σ = 34880274144. Its totient is φ = 25647259200.

The previous prime is 30221021113. The next prime is 30221021153. The reversal of 30221021131 is 13112012203.

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 30221021131 - 2¹¹ = 30221019083 is a prime.

It is a super-2 number, since 2×30221021131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30221021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21372010 + ... + 21373423.

It is an arithmetic number, because the mean of its divisors is an integer number (4360034268).

Almost surely, 2^30221021131 is an apocalyptic number.

30221021131 is a deficient number, since it is larger than the sum of its proper divisors (4659253013).

30221021131 is a wasteful number, since it uses less digits than its factorization.

30221021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42745541.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30221021131 its reverse (13112012203), we get a palindrome (43333033334).

The spelling of 30221021131 in words is "thirty billion, two hundred twenty-one million, twenty-one thousand, one hundred thirty-one".