23031105311 has 8 divisors (see below), whose sum is σ = 23850498048. Its totient is φ = 22216491000.

The previous prime is 23031105287. The next prime is 23031105313. The reversal of 23031105311 is 11350113032.

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

It is not a de Polignac number, because 23031105311 - 2¹⁰ = 23031104287 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 (23031105313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184795 + ... + 1204076.

It is an arithmetic number, because the mean of its divisors is an integer number (2981312256).

Almost surely, 2^23031105311 is an apocalyptic number.

23031105311 is a deficient number, since it is larger than the sum of its proper divisors (819392737).

23031105311 is a wasteful number, since it uses less digits than its factorization.

23031105311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389213.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 23031105311 its reverse (11350113032), we get a palindrome (34381218343).

The spelling of 23031105311 in words is "twenty-three billion, thirty-one million, one hundred five thousand, three hundred eleven".