3012320403 has 12 divisors (see below), whose sum is σ = 4391049520. Its totient is φ = 1989788976.

The previous prime is 3012320383. The next prime is 3012320429. The reversal of 3012320403 is 3040232103.

3012320403 is a `hidden beast` number, since 30 + 1 + 232 + 0 + 403 = 666.

3012320403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3012320403 - 2⁵ = 3012320371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3012320453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1534351 + ... + 1536312.

Almost surely, 2^3012320403 is an apocalyptic number.

3012320403 is a deficient number, since it is larger than the sum of its proper divisors (1378729117).

3012320403 is a wasteful number, since it uses less digits than its factorization.

3012320403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070778 (or 3070775 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3012320403 is about 54884.6098920271. The cubic root of 3012320403 is about 1444.2212177036.

Adding to 3012320403 its reverse (3040232103), we get a palindrome (6052552506).

The spelling of 3012320403 in words is "three billion, twelve million, three hundred twenty thousand, four hundred three".