2311233322231 has 4 divisors (see below), whose sum is σ = 2311842667792. Its totient is φ = 2310623976672.

The previous prime is 2311233322207. The next prime is 2311233322259. The reversal of 2311233322231 is 1322233321132.

It is a happy number.

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 2311233322231 - 2³¹ = 2309085838583 is a prime.

It is a super-2 number, since 2×2311233322231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311233322231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311233325231) 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, 304667091 + ... + 304674676.

It is an arithmetic number, because the mean of its divisors is an integer number (577960666948).

Almost surely, 2^{2311233322231} is an apocalyptic number.

2311233322231 is a deficient number, since it is larger than the sum of its proper divisors (609345561).

2311233322231 is an equidigital number, since it uses as much as digits as its factorization.

2311233322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609345560.

The product of its digits is 7776, while the sum is 28.

Adding to 2311233322231 its reverse (1322233321132), we get a palindrome (3633466643363).

The spelling of 2311233322231 in words is "two trillion, three hundred eleven billion, two hundred thirty-three million, three hundred twenty-two thousand, two hundred thirty-one".