23313131232211 has 8 divisors (see below), whose sum is σ = 23369250337920. Its totient is φ = 23257043163648.

The previous prime is 23313131232197. The next prime is 23313131232271. The reversal of 23313131232211 is 11223213131332.

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 23313131232211 - 2¹⁵ = 23313131199443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23313131232211.

It is not an unprimeable number, because it can be changed into a prime (23313131232271) 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, 6254856 + ... + 9260101.

It is an arithmetic number, because the mean of its divisors is an integer number (2921156292240).

Almost surely, 2^{23313131232211} is an apocalyptic number.

23313131232211 is a deficient number, since it is larger than the sum of its proper divisors (56119105709).

23313131232211 is a wasteful number, since it uses less digits than its factorization.

23313131232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15518573.

The product of its digits is 3888, while the sum is 28.

Adding to 23313131232211 its reverse (11223213131332), we get a palindrome (34536344363543).

The spelling of 23313131232211 in words is "twenty-three trillion, three hundred thirteen billion, one hundred thirty-one million, two hundred thirty-two thousand, two hundred eleven".