30431344111211 has 2 divisors, whose sum is σ = 30431344111212. Its totient is φ = 30431344111210.

The previous prime is 30431344111199. The next prime is 30431344111261. The reversal of 30431344111211 is 11211144313403.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30431344111211 is a prime.

It is not a weakly prime, because it can be changed into another prime (30431344111261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215672055605 + 15215672055606.

It is an arithmetic number, because the mean of its divisors is an integer number (15215672055606).

Almost surely, 2^{30431344111211} is an apocalyptic number.

30431344111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30431344111211 is an equidigital number, since it uses as much as digits as its factorization.

30431344111211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 30431344111211 its reverse (11211144313403), we get a palindrome (41642488424614).

The spelling of 30431344111211 in words is "thirty trillion, four hundred thirty-one billion, three hundred forty-four million, one hundred eleven thousand, two hundred eleven".