213444500313 has 8 divisors (see below), whose sum is σ = 310464727776. Its totient is φ = 129360303200.

The previous prime is 213444500299. The next prime is 213444500359. The reversal of 213444500313 is 313005444312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213444500313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213444500363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234007548 + ... + 3234007613.

It is an arithmetic number, because the mean of its divisors is an integer number (38808090972).

Almost surely, 2^213444500313 is an apocalyptic number.

It is an amenable number.

213444500313 is a deficient number, since it is larger than the sum of its proper divisors (97020227463).

213444500313 is a wasteful number, since it uses less digits than its factorization.

213444500313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468015175.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 213444500313 its reverse (313005444312), we get a palindrome (526449944625).

The spelling of 213444500313 in words is "two hundred thirteen billion, four hundred forty-four million, five hundred thousand, three hundred thirteen".