1113012311 has 8 divisors (see below), whose sum is σ = 1137473280. Its totient is φ = 1088583928.

The previous prime is 1113012247. The next prime is 1113012317. The reversal of 1113012311 is 1132103111.

It is a happy number.

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 1113012311 - 2⁶ = 1113012247 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 (1113012317) 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, 68780 + ... + 83406.

It is an arithmetic number, because the mean of its divisors is an integer number (142184160).

Almost surely, 2^1113012311 is an apocalyptic number.

1113012311 is a deficient number, since it is larger than the sum of its proper divisors (24460969).

1113012311 is a wasteful number, since it uses less digits than its factorization.

1113012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16293.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1113012311 is about 33361.8391429489. The cubic root of 1113012311 is about 1036.3345790423.

Adding to 1113012311 its reverse (1132103111), we get a palindrome (2245115422).

The spelling of 1113012311 in words is "one billion, one hundred thirteen million, twelve thousand, three hundred eleven".