30221100231 has 16 divisors (see below), whose sum is σ = 47536723968. Its totient is φ = 16712128800.

The previous prime is 30221100227. The next prime is 30221100319. The reversal of 30221100231 is 13200112203.

It is not a de Polignac number, because 30221100231 - 2² = 30221100227 is a prime.

It is a super-3 number, since 3×30221100231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 30221100231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221100331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23210640 + ... + 23211941.

It is an arithmetic number, because the mean of its divisors is an integer number (2971045248).

Almost surely, 2^30221100231 is an apocalyptic number.

30221100231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30221100231 is a deficient number, since it is larger than the sum of its proper divisors (17315623737).

30221100231 is a wasteful number, since it uses less digits than its factorization.

30221100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46422622.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30221100231 its reverse (13200112203), we get a palindrome (43421212434).

The spelling of 30221100231 in words is "thirty billion, two hundred twenty-one million, one hundred thousand, two hundred thirty-one".