113212042231 has 4 divisors (see below), whose sum is σ = 113652556272. Its totient is φ = 112771528192.

The previous prime is 113212042171. The next prime is 113212042271. The reversal of 113212042231 is 132240212311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113212042231 - 2²⁹ = 112675171319 is a prime.

It is a super-3 number, since 3×113212042231³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113212042271) 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, 220256635 + ... + 220257148.

It is an arithmetic number, because the mean of its divisors is an integer number (28413139068).

Almost surely, 2^113212042231 is an apocalyptic number.

113212042231 is a deficient number, since it is larger than the sum of its proper divisors (440514041).

113212042231 is an equidigital number, since it uses as much as digits as its factorization.

113212042231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440514040.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 113212042231 its reverse (132240212311), we get a palindrome (245452254542).

The spelling of 113212042231 in words is "one hundred thirteen billion, two hundred twelve million, forty-two thousand, two hundred thirty-one".