2311311001111 has 8 divisors (see below), whose sum is σ = 2756346038784. Its totient is φ = 1894987901400.

The previous prime is 2311311001099. The next prime is 2311311001127. The reversal of 2311311001111 is 1111001131132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2311311001111 - 2⁷ = 2311311000983 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 (2311311001511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7177984315 + ... + 7177984636.

It is an arithmetic number, because the mean of its divisors is an integer number (344543254848).

Almost surely, 2^{2311311001111} is an apocalyptic number.

2311311001111 is a deficient number, since it is larger than the sum of its proper divisors (445035037673).

2311311001111 is a wasteful number, since it uses less digits than its factorization.

2311311001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14355968981.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 2311311001111 its reverse (1111001131132), we get a palindrome (3422312132243).

The spelling of 2311311001111 in words is "two trillion, three hundred eleven billion, three hundred eleven million, one thousand, one hundred eleven".