213321332033231 has 8 divisors (see below), whose sum is σ = 213696947956800. Its totient is φ = 212945718602880.

The previous prime is 213321332033213. The next prime is 213321332033233. The reversal of 213321332033231 is 132330233123312.

It is a happy number.

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 213321332033231 - 2¹⁴ = 213321332016847 is a prime.

It is a super-2 number, since 2×213321332033231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213321332033233) 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, 288636851 + ... + 289374971.

It is an arithmetic number, because the mean of its divisors is an integer number (26712118494600).

Almost surely, 2^{213321332033231} is an apocalyptic number.

213321332033231 is a deficient number, since it is larger than the sum of its proper divisors (375615923569).

213321332033231 is an equidigital number, since it uses as much as digits as its factorization.

213321332033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246609.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 213321332033231 its reverse (132330233123312), we get a palindrome (345651565156543).

The spelling of 213321332033231 in words is "two hundred thirteen trillion, three hundred twenty-one billion, three hundred thirty-two million, thirty-three thousand, two hundred thirty-one".