2203031312 has 20 divisors (see below), whose sum is σ = 4270144476. Its totient is φ = 1101058560.

The previous prime is 2203031297. The next prime is 2203031317. The reversal of 2203031312 is 2131303022.

It can be written as a sum of positive squares in 2 ways, for example, as 448761856 + 1754269456 = 21184^2 + 41884^2 .

It is not an unprimeable number, because it can be changed into a prime (2203031317) 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, 13028 + ... + 67644.

Almost surely, 2^2203031312 is an apocalyptic number.

It is an amenable number.

2203031312 is a deficient number, since it is larger than the sum of its proper divisors (2067113164).

2203031312 is a wasteful number, since it uses less digits than its factorization.

2203031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57146 (or 57140 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2203031312 is about 46936.4603693120. The cubic root of 2203031312 is about 1301.1885209568.

Adding to 2203031312 its reverse (2131303022), we get a palindrome (4334334334).

The spelling of 2203031312 in words is "two billion, two hundred three million, thirty-one thousand, three hundred twelve".