1043313444 has 36 divisors (see below), whose sum is σ = 2638843116. Its totient is φ = 347563008.

The previous prime is 1043313437. The next prime is 1043313487. The reversal of 1043313444 is 4443133401.

It can be written as a sum of positive squares in 2 ways, for example, as 185995044 + 857318400 = 13638^2 + 29280^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1043313444² = 2177005884862282272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59692 + ... + 75164.

Almost surely, 2^1043313444 is an apocalyptic number.

It is an amenable number.

1043313444 is an abundant number, since it is smaller than the sum of its proper divisors (1595529672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1043313444 is a wasteful number, since it uses less digits than its factorization.

1043313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17356 (or 17351 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1043313444 is about 32300.3629081780. The cubic root of 1043313444 is about 1014.2342397357.

Adding to 1043313444 its reverse (4443133401), we get a palindrome (5486446845).

The spelling of 1043313444 in words is "one billion, forty-three million, three hundred thirteen thousand, four hundred forty-four".