30311132212211 has 2 divisors, whose sum is σ = 30311132212212. Its totient is φ = 30311132212210.

The previous prime is 30311132212201. The next prime is 30311132212241. The reversal of 30311132212211 is 11221223111303.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30311132212211 - 2¹⁸ = 30311131950067 is a prime.

It is a super-2 number, since 2×30311132212211² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30311132212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155566106105 + 15155566106106.

It is an arithmetic number, because the mean of its divisors is an integer number (15155566106106).

Almost surely, 2^{30311132212211} is an apocalyptic number.

30311132212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30311132212211 is an equidigital number, since it uses as much as digits as its factorization.

30311132212211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 30311132212211 its reverse (11221223111303), we get a palindrome (41532355323514).

The spelling of 30311132212211 in words is "thirty trillion, three hundred eleven billion, one hundred thirty-two million, two hundred twelve thousand, two hundred eleven".