1012311303 has 16 divisors (see below), whose sum is σ = 1366253280. Its totient is φ = 666648576.

The previous prime is 1012311299. The next prime is 1012311341. The reversal of 1012311303 is 3031132101.

1012311303 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 1012311303 - 2² = 1012311299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012311343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164893 + ... + 170921.

It is an arithmetic number, because the mean of its divisors is an integer number (85390830).

Almost surely, 2^1012311303 is an apocalyptic number.

1012311303 is a deficient number, since it is larger than the sum of its proper divisors (353941977).

1012311303 is an equidigital number, since it uses as much as digits as its factorization.

1012311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1012311303 is about 31816.8399279375. The cubic root of 1012311303 is about 1004.0870410060.

Adding to 1012311303 its reverse (3031132101), we get a palindrome (4043443404).

The spelling of 1012311303 in words is "one billion, twelve million, three hundred eleven thousand, three hundred three".