23311210011311 has 24 divisors (see below), whose sum is σ = 26107497452160. Its totient is φ = 20766080762064.

The previous prime is 23311210011307. The next prime is 23311210011361. The reversal of 23311210011311 is 11311001211332.

It is not a de Polignac number, because 23311210011311 - 2² = 23311210011307 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 (23311210011361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23303045 + ... + 24282798.

It is an arithmetic number, because the mean of its divisors is an integer number (1087812393840).

Almost surely, 2^{23311210011311} is an apocalyptic number.

23311210011311 is a deficient number, since it is larger than the sum of its proper divisors (2796287440849).

23311210011311 is a wasteful number, since it uses less digits than its factorization.

23311210011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47585963 (or 47585944 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 23311210011311 its reverse (11311001211332), we get a palindrome (34622211222643).

The spelling of 23311210011311 in words is "twenty-three trillion, three hundred eleven billion, two hundred ten million, eleven thousand, three hundred eleven".