31314341131111 has 4 divisors (see below), whose sum is σ = 32675834223792. Its totient is φ = 29952848038432.

The previous prime is 31314341131109. The next prime is 31314341131123. The reversal of 31314341131111 is 11113114341313.

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

It is a cyclic number.

It is not a de Polignac number, because 31314341131111 - 2¹ = 31314341131109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31314341131111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314341131511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680746546306 + ... + 680746546351.

It is an arithmetic number, because the mean of its divisors is an integer number (8168958555948).

Almost surely, 2^{31314341131111} is an apocalyptic number.

31314341131111 is a deficient number, since it is larger than the sum of its proper divisors (1361493092681).

31314341131111 is a wasteful number, since it uses less digits than its factorization.

31314341131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361493092680.

The product of its digits is 1296, while the sum is 28.

Adding to 31314341131111 its reverse (11113114341313), we get a palindrome (42427455472424).

The spelling of 31314341131111 in words is "thirty-one trillion, three hundred fourteen billion, three hundred forty-one million, one hundred thirty-one thousand, one hundred eleven".