113120311312 has 10 divisors (see below), whose sum is σ = 219170603198. Its totient is φ = 56560155648.

The previous prime is 113120311279. The next prime is 113120311319. The reversal of 113120311312 is 213113021311.

It can be written as a sum of positive squares in only one way, i.e., 110213376256 + 2906935056 = 331984^2 + 53916^2 .

It is a super-2 number, since 2×113120311312² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113120311312.

It is not an unprimeable number, because it can be changed into a prime (113120311319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535009713 + ... + 3535009744.

Almost surely, 2^113120311312 is an apocalyptic number.

It is an amenable number.

113120311312 is a deficient number, since it is larger than the sum of its proper divisors (106050291886).

113120311312 is an equidigital number, since it uses as much as digits as its factorization.

113120311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070019465 (or 7070019459 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113120311312 its reverse (213113021311), we get a palindrome (326233332623).

The spelling of 113120311312 in words is "one hundred thirteen billion, one hundred twenty million, three hundred eleven thousand, three hundred twelve".