2231120243 has 8 divisors (see below), whose sum is σ = 2467292016. Its totient is φ = 2000505600.

The previous prime is 2231120197. The next prime is 2231120279. The reversal of 2231120243 is 3420211322.

2231120243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2231120243 - 2⁶ = 2231120179 is a prime.

It is a super-3 number, since 3×2231120243³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231125243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388438 + ... + 1390043.

It is an arithmetic number, because the mean of its divisors is an integer number (308411502).

Almost surely, 2^2231120243 is an apocalyptic number.

2231120243 is a deficient number, since it is larger than the sum of its proper divisors (236171773).

2231120243 is a wasteful number, since it uses less digits than its factorization.

2231120243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778565.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2231120243 is about 47234.7355555210. The cubic root of 2231120243 is about 1306.6952895371.

Adding to 2231120243 its reverse (3420211322), we get a palindrome (5651331565).

The spelling of 2231120243 in words is "two billion, two hundred thirty-one million, one hundred twenty thousand, two hundred forty-three".