23311132311 has 8 divisors (see below), whose sum is σ = 31921550704. Its totient is φ = 15120734400.

The previous prime is 23311132307. The next prime is 23311132363. The reversal of 23311132311 is 11323111332.

It is a happy number.

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

It is not a de Polignac number, because 23311132311 - 2² = 23311132307 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 (23311132381) 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, 105004990 + ... + 105005211.

It is an arithmetic number, because the mean of its divisors is an integer number (3990193838).

Almost surely, 2^23311132311 is an apocalyptic number.

23311132311 is a deficient number, since it is larger than the sum of its proper divisors (8610418393).

23311132311 is a wasteful number, since it uses less digits than its factorization.

23311132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210010241.

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

Adding to 23311132311 its reverse (11323111332), we get a palindrome (34634243643).

The spelling of 23311132311 in words is "twenty-three billion, three hundred eleven million, one hundred thirty-two thousand, three hundred eleven".