31348118911 has 2 divisors, whose sum is σ = 31348118912. Its totient is φ = 31348118910.

The previous prime is 31348118899. The next prime is 31348118927. The reversal of 31348118911 is 11981184313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31348118911 - 2¹³ = 31348110719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31348118941) 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, 15674059455 + 15674059456.

It is an arithmetic number, because the mean of its divisors is an integer number (15674059456).

Almost surely, 2^31348118911 is an apocalyptic number.

31348118911 is a deficient number, since it is larger than the sum of its proper divisors (1).

31348118911 is an equidigital number, since it uses as much as digits as its factorization.

31348118911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 40.

The spelling of 31348118911 in words is "thirty-one billion, three hundred forty-eight million, one hundred eighteen thousand, nine hundred eleven".