1112013231 has 32 divisors (see below), whose sum is σ = 1800465408. Its totient is φ = 595960320.

The previous prime is 1112013191. The next prime is 1112013241. The reversal of 1112013231 is 1323102111.

It is a happy number.

It is not a de Polignac number, because 1112013231 - 2¹¹ = 1112011183 is a prime.

It is a super-2 number, since 2×1112013231² = 2473146851838118722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112013231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112013241) 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, 99286 + ... + 109916.

It is an arithmetic number, because the mean of its divisors is an integer number (56264544).

Almost surely, 2^1112013231 is an apocalyptic number.

1112013231 is a deficient number, since it is larger than the sum of its proper divisors (688452177).

1112013231 is a wasteful number, since it uses less digits than its factorization.

1112013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10951.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1112013231 is about 33346.8623861376. The cubic root of 1112013231 is about 1036.0244024479.

Adding to 1112013231 its reverse (1323102111), we get a palindrome (2435115342).

The spelling of 1112013231 in words is "one billion, one hundred twelve million, thirteen thousand, two hundred thirty-one".