10001203303 has 16 divisors (see below), whose sum is σ = 12352700416. Its totient is φ = 7885058400.

The previous prime is 10001203301. The next prime is 10001203313. The reversal of 10001203303 is 30330210001.

It is a cyclic number.

It is not a de Polignac number, because 10001203303 - 2¹ = 10001203301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001203301) 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, 168423 + ... + 219928.

It is an arithmetic number, because the mean of its divisors is an integer number (772043776).

Almost surely, 2^10001203303 is an apocalyptic number.

10001203303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10001203303 is a deficient number, since it is larger than the sum of its proper divisors (2351497113).

10001203303 is a wasteful number, since it uses less digits than its factorization.

10001203303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388654.

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

Adding to 10001203303 its reverse (30330210001), we get a palindrome (40331413304).

The spelling of 10001203303 in words is "ten billion, one million, two hundred three thousand, three hundred three".