30001022231 has 2 divisors, whose sum is σ = 30001022232. Its totient is φ = 30001022230.

The previous prime is 30001022189. The next prime is 30001022267. The reversal of 30001022231 is 13222010003.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30001022231 - 2³⁰ = 28927280407 is a prime.

It is a super-2 number, since 2×30001022231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30001024231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000511115 + 15000511116.

It is an arithmetic number, because the mean of its divisors is an integer number (15000511116).

Almost surely, 2^30001022231 is an apocalyptic number.

30001022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30001022231 is an equidigital number, since it uses as much as digits as its factorization.

30001022231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30001022231 its reverse (13222010003), we get a palindrome (43223032234).

The spelling of 30001022231 in words is "thirty billion, one million, twenty-two thousand, two hundred thirty-one".