23311432031011 has 4 divisors (see below), whose sum is σ = 23367067907400. Its totient is φ = 23255796154624.

The previous prime is 23311432031009. The next prime is 23311432031021. The reversal of 23311432031011 is 11013023411332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23311432031011 - 2¹ = 23311432031009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311432031021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27817937566 + ... + 27817938403.

It is an arithmetic number, because the mean of its divisors is an integer number (5841766976850).

Almost surely, 2^{23311432031011} is an apocalyptic number.

23311432031011 is a deficient number, since it is larger than the sum of its proper divisors (55635876389).

23311432031011 is an equidigital number, since it uses as much as digits as its factorization.

23311432031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55635876388.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23311432031011 its reverse (11013023411332), we get a palindrome (34324455442343).

The spelling of 23311432031011 in words is "twenty-three trillion, three hundred eleven billion, four hundred thirty-two million, thirty-one thousand, eleven".