23313211311 has 32 divisors (see below), whose sum is σ = 33832099840. Its totient is φ = 14194341504.

The previous prime is 23313211291. The next prime is 23313211343. The reversal of 23313211311 is 11311231332.

It is a happy number.

It is not a de Polignac number, because 23313211311 - 2¹³ = 23313203119 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 (23313211391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1841160 + ... + 1853778.

It is an arithmetic number, because the mean of its divisors is an integer number (1057253120).

Almost surely, 2^23313211311 is an apocalyptic number.

23313211311 is a deficient number, since it is larger than the sum of its proper divisors (10518888529).

23313211311 is a wasteful number, since it uses less digits than its factorization.

23313211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13135.

The product of its digits is 324, while the sum is 21.

Adding to 23313211311 its reverse (11311231332), we get a palindrome (34624442643).

The spelling of 23313211311 in words is "twenty-three billion, three hundred thirteen million, two hundred eleven thousand, three hundred eleven".