2431104021 has 6 divisors (see below), whose sum is σ = 3511594710. Its totient is φ = 1620736008.

The previous prime is 2431104007. The next prime is 2431104043. The reversal of 2431104021 is 1204011342.

It can be written as a sum of positive squares in only one way, i.e., 1553463396 + 877640625 = 39414^2 + 29625^2 .

It is not a de Polignac number, because 2431104021 - 2⁶ = 2431103957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2431103985 and 2431104003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431104001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135061326 + ... + 135061343.

It is an arithmetic number, because the mean of its divisors is an integer number (585265785).

Almost surely, 2^2431104021 is an apocalyptic number.

It is an amenable number.

2431104021 is a deficient number, since it is larger than the sum of its proper divisors (1080490689).

2431104021 is a wasteful number, since it uses less digits than its factorization.

2431104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270122675 (or 270122672 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2431104021 is about 49306.2270002482. The cubic root of 2431104021 is about 1344.6249966364.

Adding to 2431104021 its reverse (1204011342), we get a palindrome (3635115363).

The spelling of 2431104021 in words is "two billion, four hundred thirty-one million, one hundred four thousand, twenty-one".