1043413321 has 4 divisors (see below), whose sum is σ = 1044885700. Its totient is φ = 1041940944.

The previous prime is 1043413303. The next prime is 1043413333. The reversal of 1043413321 is 1233143401.

1043413321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1233143401 = 7 ⋅176163343.

It can be written as a sum of positive squares in 2 ways, for example, as 640849225 + 402564096 = 25315^2 + 20064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043413321 - 2⁹ = 1043412809 is a prime.

It is a super-2 number, since 2×1043413321² = 2177422716880498082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043413292 and 1043413301.

It is not an unprimeable number, because it can be changed into a prime (1043413621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735126 + ... + 736543.

It is an arithmetic number, because the mean of its divisors is an integer number (261221425).

Almost surely, 2^1043413321 is an apocalyptic number.

It is an amenable number.

1043413321 is a deficient number, since it is larger than the sum of its proper divisors (1472379).

1043413321 is an equidigital number, since it uses as much as digits as its factorization.

1043413321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472378.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1043413321 is about 32301.9089373987. The cubic root of 1043413321 is about 1014.2666031133.

Adding to 1043413321 its reverse (1233143401), we get a palindrome (2276556722).

The spelling of 1043413321 in words is "one billion, forty-three million, four hundred thirteen thousand, three hundred twenty-one".