113213231113 has 8 divisors (see below), whose sum is σ = 114659564328. Its totient is φ = 111774695424.

The previous prime is 113213231083. The next prime is 113213231119. The reversal of 113213231113 is 311132312311.

It can be written as a sum of positive squares in 4 ways, for example, as 38505035529 + 74708195584 = 196227^2 + 273328^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113213231113 - 2⁹ = 113213230601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113213231119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920156 + ... + 1978237.

It is an arithmetic number, because the mean of its divisors is an integer number (14332445541).

Almost surely, 2^113213231113 is an apocalyptic number.

It is an amenable number.

113213231113 is a deficient number, since it is larger than the sum of its proper divisors (1446333215).

113213231113 is a wasteful number, since it uses less digits than its factorization.

113213231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898763.

The product of its digits is 324, while the sum is 22.

Adding to 113213231113 its reverse (311132312311), we get a palindrome (424345543424).

The spelling of 113213231113 in words is "one hundred thirteen billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred thirteen".