1013231112 has 32 divisors (see below), whose sum is σ = 2536882080. Its totient is φ = 337236480.

The previous prime is 1013231101. The next prime is 1013231117. The reversal of 1013231112 is 2111323101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1013231091 and 1013231100.

It is not an unprimeable number, because it can be changed into a prime (1013231117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15214 + ... + 47517.

It is an arithmetic number, because the mean of its divisors is an integer number (79277565).

Almost surely, 2^1013231112 is an apocalyptic number.

1013231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1013231112 is an abundant number, since it is smaller than the sum of its proper divisors (1523650968).

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

1013231112 is a wasteful number, since it uses less digits than its factorization.

1013231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63413 (or 63409 counting only the distinct ones).

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

The square root of 1013231112 is about 31831.2913969886. The cubic root of 1013231112 is about 1004.3910610278.

Adding to 1013231112 its reverse (2111323101), we get a palindrome (3124554213).

The spelling of 1013231112 in words is "one billion, thirteen million, two hundred thirty-one thousand, one hundred twelve".