1043052002321 has 4 divisors (see below), whose sum is σ = 1192059431232. Its totient is φ = 894044573412.

The previous prime is 1043052002281. The next prime is 1043052002351. The reversal of 1043052002321 is 1232002503401.

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.

It is a cyclic number.

It is not a de Polignac number, because 1043052002321 - 2¹⁰ = 1043052001297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1043052002351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74503714445 + ... + 74503714458.

It is an arithmetic number, because the mean of its divisors is an integer number (298014857808).

Almost surely, 2^{1043052002321} is an apocalyptic number.

It is an amenable number.

1043052002321 is a deficient number, since it is larger than the sum of its proper divisors (149007428911).

1043052002321 is an equidigital number, since it uses as much as digits as its factorization.

1043052002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149007428910.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1043052002321 its reverse (1232002503401), we get a palindrome (2275054505722).

The spelling of 1043052002321 in words is "one trillion, forty-three billion, fifty-two million, two thousand, three hundred twenty-one".