1113211311 has 16 divisors (see below), whose sum is σ = 1591885440. Its totient is φ = 689813280.

The previous prime is 1113211279. The next prime is 1113211369. The reversal of 1113211311 is 1131123111.

It is not a de Polignac number, because 1113211311 - 2⁵ = 1113211279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113211381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181225 + ... + 187266.

It is an arithmetic number, because the mean of its divisors is an integer number (99492840).

Almost surely, 2^1113211311 is an apocalyptic number.

1113211311 is a deficient number, since it is larger than the sum of its proper divisors (478674129).

1113211311 is a wasteful number, since it uses less digits than its factorization.

1113211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368566.

The product of its digits is 18, while the sum is 15.

The square root of 1113211311 is about 33364.8214591357. The cubic root of 1113211311 is about 1036.3963388538.

Adding to 1113211311 its reverse (1131123111), we get a palindrome (2244334422).

The spelling of 1113211311 in words is "one billion, one hundred thirteen million, two hundred eleven thousand, three hundred eleven".