10303312 has 10 divisors (see below), whose sum is σ = 19962698. Its totient is φ = 5151648.

The previous prime is 10303291. The next prime is 10303331. The reversal of 10303312 is 21330301.

10303312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5740816 + 4562496 = 2396^2 + 2136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10303292 and 10303301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321963 + ... + 321994.

Almost surely, 2^10303312 is an apocalyptic number.

It is an amenable number.

10303312 is a deficient number, since it is larger than the sum of its proper divisors (9659386).

10303312 is an equidigital number, since it uses as much as digits as its factorization.

10303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643965 (or 643959 counting only the distinct ones).

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

The square root of 10303312 is about 3209.8772562202. The cubic root of 10303312 is about 217.6000297362.

Adding to 10303312 its reverse (21330301), we get a palindrome (31633613).

The spelling of 10303312 in words is "ten million, three hundred three thousand, three hundred twelve".