10304143021 has 4 divisors (see below), whose sum is σ = 10304348544. Its totient is φ = 10303937500.

The previous prime is 10304143007. The next prime is 10304143043. The reversal of 10304143021 is 12034140301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12034140301 = 73 ⋅164851237.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10304143021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10304143021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10304143081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27396 + ... + 146146.

It is an arithmetic number, because the mean of its divisors is an integer number (2576087136).

Almost surely, 2^10304143021 is an apocalyptic number.

It is an amenable number.

10304143021 is a deficient number, since it is larger than the sum of its proper divisors (205523).

10304143021 is an equidigital number, since it uses as much as digits as its factorization.

10304143021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205522.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10304143021 its reverse (12034140301), we get a palindrome (22338283322).

The spelling of 10304143021 in words is "ten billion, three hundred four million, one hundred forty-three thousand, twenty-one".