1113312013 has 8 divisors (see below), whose sum is σ = 1221796800. Its totient is φ = 1006039680.

The previous prime is 1113311993. The next prime is 1113312019. The reversal of 1113312013 is 3102133111.

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 1113312013 - 2⁹ = 1113311501 is a prime.

It is a super-2 number, since 2×1113312013² = 2478927276580224338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113312019) 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, 301188 + ... + 304861.

It is an arithmetic number, because the mean of its divisors is an integer number (152724600).

Almost surely, 2^1113312013 is an apocalyptic number.

It is an amenable number.

1113312013 is a deficient number, since it is larger than the sum of its proper divisors (108484787).

1113312013 is a wasteful number, since it uses less digits than its factorization.

1113312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606227.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1113312013 is about 33366.3305294424. The cubic root of 1113312013 is about 1036.4275889965.

Adding to 1113312013 its reverse (3102133111), we get a palindrome (4215445124).

The spelling of 1113312013 in words is "one billion, one hundred thirteen million, three hundred twelve thousand, thirteen".