1112131338 has 16 divisors (see below), whose sum is σ = 2224635840. Its totient is φ = 370648256.

The previous prime is 1112131337. The next prime is 1112131367. The reversal of 1112131338 is 8331312111.

It is a happy number.

It is a super-2 number, since 2×1112131338² = 2473672225923340488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112131337) 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, 36706 + ... + 59762.

It is an arithmetic number, because the mean of its divisors is an integer number (139039740).

Almost surely, 2^1112131338 is an apocalyptic number.

1112131338 is an abundant number, since it is smaller than the sum of its proper divisors (1112504502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112131338 is a wasteful number, since it uses less digits than its factorization.

1112131338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31101.

The product of its digits is 432, while the sum is 24.

The square root of 1112131338 is about 33348.6332253662. The cubic root of 1112131338 is about 1036.0610798899.

Adding to 1112131338 its reverse (8331312111), we get a palindrome (9443443449).

The spelling of 1112131338 in words is "one billion, one hundred twelve million, one hundred thirty-one thousand, three hundred thirty-eight".