1113131201 has 32 divisors (see below), whose sum is σ = 1391717376. Its totient is φ = 866880000.

The previous prime is 1113131191. The next prime is 1113131203. The reversal of 1113131201 is 1021313111.

It is a happy number.

It is not a de Polignac number, because 1113131201 - 2¹⁰ = 1113130177 is a prime.

It is a super-2 number, since 2×1113131201² = 2478122141279404802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113131203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2582456 + ... + 2582886.

It is an arithmetic number, because the mean of its divisors is an integer number (43491168).

Almost surely, 2^1113131201 is an apocalyptic number.

It is an amenable number.

1113131201 is a deficient number, since it is larger than the sum of its proper divisors (278586175).

1113131201 is a wasteful number, since it uses less digits than its factorization.

1113131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

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

The square root of 1113131201 is about 33363.6209215966. The cubic root of 1113131201 is about 1036.3714775354.

Adding to 1113131201 its reverse (1021313111), we get a palindrome (2134444312).

The spelling of 1113131201 in words is "one billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred one".