344311012111111 has 2 divisors, whose sum is σ = 344311012111112. Its totient is φ = 344311012111110.

The previous prime is 344311012111091. The next prime is 344311012111123. The reversal of 344311012111111 is 111111210113443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344311012111111 - 2²¹ = 344311010013959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344311012111151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172155506055555 + 172155506055556.

It is an arithmetic number, because the mean of its divisors is an integer number (172155506055556).

Almost surely, 2^{344311012111111} is an apocalyptic number.

344311012111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

344311012111111 is an equidigital number, since it uses as much as digits as its factorization.

344311012111111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

Adding to 344311012111111 its reverse (111111210113443), we get a palindrome (455422222224554).

The spelling of 344311012111111 in words is "three hundred forty-four trillion, three hundred eleven billion, twelve million, one hundred eleven thousand, one hundred eleven".