213301012021231 has 64 divisors (see below), whose sum is σ = 232820251776000. Its totient is φ = 194778317260800.

The previous prime is 213301012021189. The next prime is 213301012021283. The reversal of 213301012021231 is 132120210103312.

It is a cyclic number.

It is not a de Polignac number, because 213301012021231 - 2¹³ = 213301012013039 is a prime.

It is a super-3 number, since 3×213301012021231³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213301012091231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36884142366 + ... + 36884148148.

It is an arithmetic number, because the mean of its divisors is an integer number (3637816434000).

Almost surely, 2^{213301012021231} is an apocalyptic number.

213301012021231 is a deficient number, since it is larger than the sum of its proper divisors (19519239754769).

213301012021231 is a wasteful number, since it uses less digits than its factorization.

213301012021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213301012021231 its reverse (132120210103312), we get a palindrome (345421222124543).

The spelling of 213301012021231 in words is "two hundred thirteen trillion, three hundred one billion, twelve million, twenty-one thousand, two hundred thirty-one".