30021242311 has 2 divisors, whose sum is σ = 30021242312. Its totient is φ = 30021242310.

The previous prime is 30021242309. The next prime is 30021242357. The reversal of 30021242311 is 11324212003.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30021242311 - 2¹ = 30021242309 is a prime.

Together with 30021242309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30021242411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010621155 + 15010621156.

It is an arithmetic number, because the mean of its divisors is an integer number (15010621156).

Almost surely, 2^30021242311 is an apocalyptic number.

30021242311 is a deficient number, since it is larger than the sum of its proper divisors (1).

30021242311 is an equidigital number, since it uses as much as digits as its factorization.

30021242311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30021242311 its reverse (11324212003), we get a palindrome (41345454314).

The spelling of 30021242311 in words is "thirty billion, twenty-one million, two hundred forty-two thousand, three hundred eleven".