2231120231 has 8 divisors (see below), whose sum is σ = 2286489744. Its totient is φ = 2175909120.

The previous prime is 2231120197. The next prime is 2231120279. The reversal of 2231120231 is 1320211322.

2231120231 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 a de Polignac number, because none of the positive numbers 2^k-2231120231 is a prime.

It is a super-3 number, since 3×2231120231³ (a number of 29 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 (2231120131) 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, 10826 + ... + 67671.

It is an arithmetic number, because the mean of its divisors is an integer number (285811218).

Almost surely, 2^2231120231 is an apocalyptic number.

2231120231 is a deficient number, since it is larger than the sum of its proper divisors (55369513).

2231120231 is an equidigital number, since it uses as much as digits as its factorization.

2231120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79201.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2231120231 is about 47234.7354284958. The cubic root of 2231120231 is about 1306.6952871944.

Adding to 2231120231 its reverse (1320211322), we get a palindrome (3551331553).

The spelling of 2231120231 in words is "two billion, two hundred thirty-one million, one hundred twenty thousand, two hundred thirty-one".