213032101321 has 16 divisors (see below), whose sum is σ = 241535931840. Its totient is φ = 186262839360.

The previous prime is 213032101319. The next prime is 213032101379. The reversal of 213032101321 is 123101230312.

It is not a de Polignac number, because 213032101321 - 2¹ = 213032101319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213032201321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405206 + ... + 1549408.

It is an arithmetic number, because the mean of its divisors is an integer number (15095995740).

Almost surely, 2^213032101321 is an apocalyptic number.

It is an amenable number.

213032101321 is a deficient number, since it is larger than the sum of its proper divisors (28503830519).

213032101321 is a wasteful number, since it uses less digits than its factorization.

213032101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150216.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213032101321 its reverse (123101230312), we get a palindrome (336133331633).

The spelling of 213032101321 in words is "two hundred thirteen billion, thirty-two million, one hundred one thousand, three hundred twenty-one".