104243213013 has 4 divisors (see below), whose sum is σ = 138990950688. Its totient is φ = 69495475340.

The previous prime is 104243212999. The next prime is 104243213051. The reversal of 104243213013 is 310312342401.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-104243213013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104243213213) 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, 17373868833 + ... + 17373868838.

It is an arithmetic number, because the mean of its divisors is an integer number (34747737672).

Almost surely, 2^104243213013 is an apocalyptic number.

It is an amenable number.

104243213013 is a deficient number, since it is larger than the sum of its proper divisors (34747737675).

104243213013 is an equidigital number, since it uses as much as digits as its factorization.

104243213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34747737674.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 104243213013 its reverse (310312342401), we get a palindrome (414555555414).

The spelling of 104243213013 in words is "one hundred four billion, two hundred forty-three million, two hundred thirteen thousand, thirteen".