1112131311311 has 8 divisors (see below), whose sum is σ = 1122729050880. Its totient is φ = 1101537349528.

The previous prime is 1112131311307. The next prime is 1112131311323. The reversal of 1112131311311 is 1131131312111.

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 1112131311311 - 2² = 1112131311307 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 (1112131311341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351101 + ... + 1532166.

It is an arithmetic number, because the mean of its divisors is an integer number (140341131360).

Almost surely, 2^{1112131311311} is an apocalyptic number.

1112131311311 is a deficient number, since it is larger than the sum of its proper divisors (10597739569).

1112131311311 is a wasteful number, since it uses less digits than its factorization.

1112131311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888893.

The product of its digits is 54, while the sum is 20.

Adding to 1112131311311 its reverse (1131131312111), we get a palindrome (2243262623422).

The spelling of 1112131311311 in words is "one trillion, one hundred twelve billion, one hundred thirty-one million, three hundred eleven thousand, three hundred eleven".