1013320344 has 16 divisors (see below), whose sum is σ = 2533300920. Its totient is φ = 337773440.

The previous prime is 1013320279. The next prime is 1013320391. The reversal of 1013320344 is 4430233101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013320344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21110817 + ... + 21110864.

Almost surely, 2^1013320344 is an apocalyptic number.

It is an amenable number.

1013320344 is an abundant number, since it is smaller than the sum of its proper divisors (1519980576).

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

1013320344 is a wasteful number, since it uses less digits than its factorization.

1013320344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42221690 (or 42221686 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1013320344 is about 31832.6930057763. The cubic root of 1013320344 is about 1004.4205446573.

Adding to 1013320344 its reverse (4430233101), we get a palindrome (5443553445).

The spelling of 1013320344 in words is "one billion, thirteen million, three hundred twenty thousand, three hundred forty-four".