1013122303 has 4 divisors (see below), whose sum is σ = 1013198560. Its totient is φ = 1013046048.

The previous prime is 1013122289. The next prime is 1013122321. The reversal of 1013122303 is 3032213101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013122303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013122373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12423 + ... + 46696.

It is an arithmetic number, because the mean of its divisors is an integer number (253299640).

Almost surely, 2^1013122303 is an apocalyptic number.

1013122303 is a deficient number, since it is larger than the sum of its proper divisors (76257).

1013122303 is an equidigital number, since it uses as much as digits as its factorization.

1013122303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76256.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1013122303 is about 31829.5821995828. The cubic root of 1013122303 is about 1004.3551065129.

Adding to 1013122303 its reverse (3032213101), we get a palindrome (4045335404).

The spelling of 1013122303 in words is "one billion, thirteen million, one hundred twenty-two thousand, three hundred three".