31344111105 has 16 divisors (see below), whose sum is σ = 50837573760. Its totient is φ = 16487860608.

The previous prime is 31344111103. The next prime is 31344111167. The reversal of 31344111105 is 50111144313.

It is not a de Polignac number, because 31344111105 - 2¹ = 31344111103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31344111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14311285 + ... + 14313474.

It is an arithmetic number, because the mean of its divisors is an integer number (3177348360).

Almost surely, 2^31344111105 is an apocalyptic number.

It is an amenable number.

31344111105 is a deficient number, since it is larger than the sum of its proper divisors (19493462655).

31344111105 is a wasteful number, since it uses less digits than its factorization.

31344111105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28624840.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 31344111105 its reverse (50111144313), we get a palindrome (81455255418).

The spelling of 31344111105 in words is "thirty-one billion, three hundred forty-four million, one hundred eleven thousand, one hundred five".