31334313312111 has 4 divisors (see below), whose sum is σ = 41779084416152. Its totient is φ = 20889542208072.

The previous prime is 31334313312103. The next prime is 31334313312143. The reversal of 31334313312111 is 11121331343313.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31334313312111 - 2³ = 31334313312103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31334313312311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5222385552016 + ... + 5222385552021.

It is an arithmetic number, because the mean of its divisors is an integer number (10444771104038).

Almost surely, 2^{31334313312111} is an apocalyptic number.

31334313312111 is a deficient number, since it is larger than the sum of its proper divisors (10444771104041).

31334313312111 is a wasteful number, since it uses less digits than its factorization.

31334313312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10444771104040.

The product of its digits is 5832, while the sum is 30.

Adding to 31334313312111 its reverse (11121331343313), we get a palindrome (42455644655424).

The spelling of 31334313312111 in words is "thirty-one trillion, three hundred thirty-four billion, three hundred thirteen million, three hundred twelve thousand, one hundred eleven".