213320212101231 has 8 divisors (see below), whose sum is σ = 284427196069680. Its totient is φ = 142213351433472.

The previous prime is 213320212101223. The next prime is 213320212101277. The reversal of 213320212101231 is 132101212023312.

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

It is not a de Polignac number, because 213320212101231 - 2³ = 213320212101223 is a prime.

It is a super-2 number, since 2×213320212101231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320212101221) 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, 26709826 + ... + 33764703.

It is an arithmetic number, because the mean of its divisors is an integer number (35553399508710).

Almost surely, 2^{213320212101231} is an apocalyptic number.

213320212101231 is a deficient number, since it is larger than the sum of its proper divisors (71106983968449).

213320212101231 is a wasteful number, since it uses less digits than its factorization.

213320212101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61650345.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 213320212101231 its reverse (132101212023312), we get a palindrome (345421424124543).

The spelling of 213320212101231 in words is "two hundred thirteen trillion, three hundred twenty billion, two hundred twelve million, one hundred one thousand, two hundred thirty-one".