1000303312 has 10 divisors (see below), whose sum is σ = 1938087698. Its totient is φ = 500151648.

The previous prime is 1000303253. The next prime is 1000303313. The reversal of 1000303312 is 2133030001.

It can be written as a sum of positive squares in only one way, i.e., 555262096 + 445041216 = 23564^2 + 21096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000303292 and 1000303301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000303313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31259463 + ... + 31259494.

Almost surely, 2^1000303312 is an apocalyptic number.

It is an amenable number.

1000303312 is a deficient number, since it is larger than the sum of its proper divisors (937784386).

1000303312 is an equidigital number, since it uses as much as digits as its factorization.

1000303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62518965 (or 62518959 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1000303312 is about 31627.5720218925. The cubic root of 1000303312 is about 1000.1010937797.

Adding to 1000303312 its reverse (2133030001), we get a palindrome (3133333313).

The spelling of 1000303312 in words is "one billion, three hundred three thousand, three hundred twelve".