10303335021 has 16 divisors (see below), whose sum is σ = 15780023424. Its totient is φ = 5857731264.

The previous prime is 10303335017. The next prime is 10303335041. The reversal of 10303335021 is 12053330301.

It is not a de Polignac number, because 10303335021 - 2² = 10303335017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303335011) 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, 1241130 + ... + 1249403.

It is an arithmetic number, because the mean of its divisors is an integer number (986251464).

Almost surely, 2^10303335021 is an apocalyptic number.

It is an amenable number.

10303335021 is a deficient number, since it is larger than the sum of its proper divisors (5476688403).

10303335021 is a wasteful number, since it uses less digits than its factorization.

10303335021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490740.

The product of its (nonzero) digits is 810, while the sum is 21.

Adding to 10303335021 its reverse (12053330301), we get a palindrome (22356665322).

The spelling of 10303335021 in words is "ten billion, three hundred three million, three hundred thirty-five thousand, twenty-one".