1100111311 has 8 divisors (see below), whose sum is σ = 1187555264. Its totient is φ = 1013070240.

The previous prime is 1100111279. The next prime is 1100111323. The reversal of 1100111311 is 1131110011.

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

It is not a de Polignac number, because 1100111311 - 2⁵ = 1100111279 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 (1100111711) 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, 95031 + ... + 105976.

It is an arithmetic number, because the mean of its divisors is an integer number (148444408).

Almost surely, 2^1100111311 is an apocalyptic number.

1100111311 is a deficient number, since it is larger than the sum of its proper divisors (87443953).

1100111311 is a wasteful number, since it uses less digits than its factorization.

1100111311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201441.

The product of its (nonzero) digits is 3, while the sum is 10.

The square root of 1100111311 is about 33167.9259375681. The cubic root of 1100111311 is about 1032.3149337159.

Adding to 1100111311 its reverse (1131110011), we get a palindrome (2231221322).

The spelling of 1100111311 in words is "one billion, one hundred million, one hundred eleven thousand, three hundred eleven".