112311120013 has 6 divisors (see below), whose sum is σ = 113750781774. Its totient is φ = 110889454104.

The previous prime is 112311119957. The next prime is 112311120029. The reversal of 112311120013 is 310021113211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111511248489 + 799871524 = 333933^2 + 28282^2 .

It is a de Polignac number, because none of the positive numbers 2^k-112311120013 is a prime.

It is a super-2 number, since 2×112311120013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112311120073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8991606 + ... + 9004087.

It is an arithmetic number, because the mean of its divisors is an integer number (18958463629).

Almost surely, 2^112311120013 is an apocalyptic number.

It is an amenable number.

112311120013 is a deficient number, since it is larger than the sum of its proper divisors (1439661761).

112311120013 is an frugal number, since it uses more digits than its factorization.

112311120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17995851 (or 17995772 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 112311120013 its reverse (310021113211), we get a palindrome (422332233224).

It can be divided in two parts, 112311 and 120013, that added together give a square (232324 = 482²).

The spelling of 112311120013 in words is "one hundred twelve billion, three hundred eleven million, one hundred twenty thousand, thirteen".