213220003013 has 8 divisors (see below), whose sum is σ = 220577621880. Its totient is φ = 205862731200.

The previous prime is 213220002977. The next prime is 213220003021. The reversal of 213220003013 is 310300022312.

It can be written as a sum of positive squares in 4 ways, for example, as 116460435169 + 96759567844 = 341263^2 + 311062^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 213220003013 - 2⁶ = 213220002949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213220002982 and 213220003000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213220003043) 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, 2084363 + ... + 2184263.

It is an arithmetic number, because the mean of its divisors is an integer number (27572202735).

Almost surely, 2^213220003013 is an apocalyptic number.

It is an amenable number.

213220003013 is a deficient number, since it is larger than the sum of its proper divisors (7357618867).

213220003013 is an equidigital number, since it uses as much as digits as its factorization.

213220003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173527.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 213220003013 its reverse (310300022312), we get a palindrome (523520025325).

The spelling of 213220003013 in words is "two hundred thirteen billion, two hundred twenty million, three thousand, thirteen".