2231031304 has 16 divisors (see below), whose sum is σ = 4204421100. Its totient is φ = 1109852352.

The previous prime is 2231031289. The next prime is 2231031317. The reversal of 2231031304 is 4031301322.

It can be written as a sum of positive squares in 2 ways, for example, as 2034190404 + 196840900 = 45102^2 + 14030^2 .

It is a super-3 number, since 3×2231031304³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706239 + ... + 709390.

Almost surely, 2^2231031304 is an apocalyptic number.

It is an amenable number.

2231031304 is a deficient number, since it is larger than the sum of its proper divisors (1973389796).

2231031304 is a wasteful number, since it uses less digits than its factorization.

2231031304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415832 (or 1415828 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2231031304 is about 47233.7940885549. The cubic root of 2231031304 is about 1306.6779264035.

Adding to 2231031304 its reverse (4031301322), we get a palindrome (6262332626).

The spelling of 2231031304 in words is "two billion, two hundred thirty-one million, thirty-one thousand, three hundred four".