1113203311 has 8 divisors (see below), whose sum is σ = 1217009664. Its totient is φ = 1009831320.

The previous prime is 1113203303. The next prime is 1113203359. The reversal of 1113203311 is 1133023111.

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 1113203311 - 2³ = 1113203303 is a prime.

It is a super-2 number, since 2×1113203311² = 2478443223242725442, 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 (1113203111) 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, 103215 + ... + 113488.

It is an arithmetic number, because the mean of its divisors is an integer number (152126208).

Almost surely, 2^1113203311 is an apocalyptic number.

1113203311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113203311 is a deficient number, since it is larger than the sum of its proper divisors (103806353).

1113203311 is a wasteful number, since it uses less digits than its factorization.

1113203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217181.

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

The square root of 1113203311 is about 33364.7015721706. The cubic root of 1113203311 is about 1036.3938561893.

Adding to 1113203311 its reverse (1133023111), we get a palindrome (2246226422).

The spelling of 1113203311 in words is "one billion, one hundred thirteen million, two hundred three thousand, three hundred eleven".