213121003313 has 8 divisors (see below), whose sum is σ = 213762950400. Its totient is φ = 212479476048.

The previous prime is 213121003297. The next prime is 213121003379. The reversal of 213121003313 is 313300121312.

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 213121003313 - 2⁴ = 213121003297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213121003813) 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, 927095 + ... + 1133907.

It is an arithmetic number, because the mean of its divisors is an integer number (26720368800).

Almost surely, 2^213121003313 is an apocalyptic number.

It is an amenable number.

213121003313 is a deficient number, since it is larger than the sum of its proper divisors (641947087).

213121003313 is a wasteful number, since it uses less digits than its factorization.

213121003313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209911.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213121003313 its reverse (313300121312), we get a palindrome (526421124625).

The spelling of 213121003313 in words is "two hundred thirteen billion, one hundred twenty-one million, three thousand, three hundred thirteen".