113311310212 has 12 divisors (see below), whose sum is σ = 198466782556. Its totient is φ = 56606515200.

The previous prime is 113311310183. The next prime is 113311310219. The reversal of 113311310212 is 212013113311.

It can be written as a sum of positive squares in 2 ways, for example, as 73731799296 + 39579510916 = 271536^2 + 198946^2 .

It is a super-3 number, since 3×113311310212³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113311310212.

It is not an unprimeable number, because it can be changed into a prime (113311310219) 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, 12279789 + ... + 12289012.

Almost surely, 2^113311310212 is an apocalyptic number.

It is an amenable number.

113311310212 is a deficient number, since it is larger than the sum of its proper divisors (85155472344).

113311310212 is a wasteful number, since it uses less digits than its factorization.

113311310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24569958 (or 24569956 counting only the distinct ones).

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

Adding to 113311310212 its reverse (212013113311), we get a palindrome (325324423523).

The spelling of 113311310212 in words is "one hundred thirteen billion, three hundred eleven million, three hundred ten thousand, two hundred twelve".