2321231011 has 4 divisors (see below), whose sum is σ = 2532252024. Its totient is φ = 2110210000.

The previous prime is 2321230999. The next prime is 2321231069. The reversal of 2321231011 is 1101321232.

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 2321231011 - 2⁵ = 2321230979 is a prime.

It is a super-2 number, since 2×2321231011² = 10776226812856164242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321231071) 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, 105510490 + ... + 105510511.

It is an arithmetic number, because the mean of its divisors is an integer number (633063006).

Almost surely, 2^2321231011 is an apocalyptic number.

2321231011 is a deficient number, since it is larger than the sum of its proper divisors (211021013).

2321231011 is a wasteful number, since it uses less digits than its factorization.

2321231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211021012.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2321231011 is about 48179.1553578931. The cubic root of 2321231011 is about 1324.0552916596.

Adding to 2321231011 its reverse (1101321232), we get a palindrome (3422552243).

It can be divided in two parts, 2321 and 231011, that added together give a palindrome (233332).

The spelling of 2321231011 in words is "two billion, three hundred twenty-one million, two hundred thirty-one thousand, eleven".