1013443213 has 4 divisors (see below), whose sum is σ = 1013583520. Its totient is φ = 1013302908.

The previous prime is 1013443183. The next prime is 1013443229. The reversal of 1013443213 is 3123443101.

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 1013443213 - 2²⁹ = 476572301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013444213) 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, 58695 + ... + 73972.

It is an arithmetic number, because the mean of its divisors is an integer number (253395880).

Almost surely, 2^1013443213 is an apocalyptic number.

It is an amenable number.

1013443213 is a deficient number, since it is larger than the sum of its proper divisors (140307).

1013443213 is an equidigital number, since it uses as much as digits as its factorization.

1013443213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140306.

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

The square root of 1013443213 is about 31834.6228656788. The cubic root of 1013443213 is about 1004.4611396383.

Adding to 1013443213 its reverse (3123443101), we get a palindrome (4136886314).

The spelling of 1013443213 in words is "one billion, thirteen million, four hundred forty-three thousand, two hundred thirteen".