1013203203 has 8 divisors (see below), whose sum is σ = 1368038400. Its totient is φ = 666918408.

The previous prime is 1013203201. The next prime is 1013203207. The reversal of 1013203203 is 3023023101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013203203 - 2¹ = 1013203201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013203201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137323 + ... + 2137796.

It is an arithmetic number, because the mean of its divisors is an integer number (171004800).

Almost surely, 2^1013203203 is an apocalyptic number.

1013203203 is a deficient number, since it is larger than the sum of its proper divisors (354835197).

1013203203 is an equidigital number, since it uses as much as digits as its factorization.

1013203203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275201.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1013203203 is about 31830.8530045929. The cubic root of 1013203203 is about 1004.3818391082.

Adding to 1013203203 its reverse (3023023101), we get a palindrome (4036226304).

The spelling of 1013203203 in words is "one billion, thirteen million, two hundred three thousand, two hundred three".