20231011213 has 8 divisors (see below), whose sum is σ = 23195502720. Its totient is φ = 17285106480.

The previous prime is 20231011193. The next prime is 20231011217. The reversal of 20231011213 is 31211013202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231011213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231011217) 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, 4644358 + ... + 4648711.

It is an arithmetic number, because the mean of its divisors is an integer number (2899437840).

Almost surely, 2^20231011213 is an apocalyptic number.

It is an amenable number.

20231011213 is a deficient number, since it is larger than the sum of its proper divisors (2964491507).

20231011213 is an equidigital number, since it uses as much as digits as its factorization.

20231011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293387.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20231011213 its reverse (31211013202), we get a palindrome (51442024415).

The spelling of 20231011213 in words is "twenty billion, two hundred thirty-one million, eleven thousand, two hundred thirteen".