213020320231 has 8 divisors (see below), whose sum is σ = 213968981600. Its totient is φ = 212071819680.

The previous prime is 213020320213. The next prime is 213020320273. The reversal of 213020320231 is 132023020312.

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 213020320231 - 2²⁵ = 212986765799 is a prime.

It is a super-2 number, since 2×213020320231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213020320199 and 213020320208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020320031) 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, 3189205 + ... + 3255313.

It is an arithmetic number, because the mean of its divisors is an integer number (26746122700).

Almost surely, 2^213020320231 is an apocalyptic number.

213020320231 is a deficient number, since it is larger than the sum of its proper divisors (948661369).

213020320231 is a wasteful number, since it uses less digits than its factorization.

213020320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80409.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213020320231 its reverse (132023020312), we get a palindrome (345043340543).

The spelling of 213020320231 in words is "two hundred thirteen billion, twenty million, three hundred twenty thousand, two hundred thirty-one".