1112313020 has 96 divisors (see below), whose sum is σ = 2882479488. Its totient is φ = 351101952.

The previous prime is 1112312987. The next prime is 1112313061. The reversal of 1112313020 is 203132111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1112312986 and 1112313004.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1115162 + ... + 1116158.

It is an arithmetic number, because the mean of its divisors is an integer number (30025828).

Almost surely, 2^1112313020 is an apocalyptic number.

1112313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112313020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441239744).

1112313020 is an abundant number, since it is smaller than the sum of its proper divisors (1770166468).

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

1112313020 is a wasteful number, since it uses less digits than its factorization.

1112313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1112313020 is about 33351.3570938275. The cubic root of 1112313020 is about 1036.1174951092.

Adding to 1112313020 its reverse (203132111), we get a palindrome (1315445131).

The spelling of 1112313020 in words is "one billion, one hundred twelve million, three hundred thirteen thousand, twenty".