1013213244 has 12 divisors (see below), whose sum is σ = 2364164264. Its totient is φ = 337737744.

The previous prime is 1013213231. The next prime is 1013213251. The reversal of 1013213244 is 4423123101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1013213244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42217207 + ... + 42217230.

Almost surely, 2^1013213244 is an apocalyptic number.

It is an amenable number.

1013213244 is an abundant number, since it is smaller than the sum of its proper divisors (1350951020).

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

1013213244 is a wasteful number, since it uses less digits than its factorization.

1013213244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84434444 (or 84434442 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1013213244 is about 31831.0107285333. The cubic root of 1013213244 is about 1004.3851569569.

Adding to 1013213244 its reverse (4423123101), we get a palindrome (5436336345).

The spelling of 1013213244 in words is "one billion, thirteen million, two hundred thirteen thousand, two hundred forty-four".