112203013 has 4 divisors (see below), whose sum is σ = 120834028. Its totient is φ = 103572000.

The previous prime is 112202983. The next prime is 112203017. The reversal of 112203013 is 310302211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310302211 = 13099 ⋅23689.

It can be written as a sum of positive squares in 2 ways, for example, as 67272804 + 44930209 = 8202^2 + 6703^2 .

It is a cyclic number.

It is not a de Polignac number, because 112203013 - 2¹³ = 112194821 is a prime.

It is a super-2 number, since 2×112203013² = 25179032252556338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 8631001 = 112203013 / (1 + 1 + 2 + 2 + 0 + 3 + 0 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112202984 and 112203002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112203017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4315488 + ... + 4315513.

It is an arithmetic number, because the mean of its divisors is an integer number (30208507).

Almost surely, 2^112203013 is an apocalyptic number.

112203013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

112203013 is a deficient number, since it is larger than the sum of its proper divisors (8631015).

112203013 is an equidigital number, since it uses as much as digits as its factorization.

112203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631014.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 112203013 is about 10592.5923644781. The cubic root of 112203013 is about 482.3195212142.

Adding to 112203013 its reverse (310302211), we get a palindrome (422505224).

The spelling of 112203013 in words is "one hundred twelve million, two hundred three thousand, thirteen".