113002111312 has 20 divisors (see below), whose sum is σ = 226491301620. Its totient is φ = 54552743168.

The previous prime is 113002111309. The next prime is 113002111319. The reversal of 113002111312 is 213111200311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74073242896 + 38928868416 = 272164^2 + 197304^2 .

It is a super-2 number, since 2×113002111312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113002111319) 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, 121769053 + ... + 121769980.

It is an arithmetic number, because the mean of its divisors is an integer number (11324565081).

Almost surely, 2^113002111312 is an apocalyptic number.

It is an amenable number.

113002111312 is an abundant number, since it is smaller than the sum of its proper divisors (113489190308).

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

113002111312 is a wasteful number, since it uses less digits than its factorization.

113002111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243539070 (or 243539064 counting only the distinct ones).

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

Adding to 113002111312 its reverse (213111200311), we get a palindrome (326113311623).

The spelling of 113002111312 in words is "one hundred thirteen billion, two million, one hundred eleven thousand, three hundred twelve".