30201212231 has 2 divisors, whose sum is σ = 30201212232. Its totient is φ = 30201212230.

The previous prime is 30201212221. The next prime is 30201212233. The reversal of 30201212231 is 13221210203.

It is a strong prime.

It is an emirp because it is prime and its reverse (13221210203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30201212231 - 2¹⁴ = 30201195847 is a prime.

It is a super-2 number, since 2×30201212231² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 30201212233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30201212233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100606115 + 15100606116.

It is an arithmetic number, because the mean of its divisors is an integer number (15100606116).

Almost surely, 2^30201212231 is an apocalyptic number.

30201212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30201212231 is an equidigital number, since it uses as much as digits as its factorization.

30201212231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30201212231 its reverse (13221210203), we get a palindrome (43422422434).

The spelling of 30201212231 in words is "thirty billion, two hundred one million, two hundred twelve thousand, two hundred thirty-one".