23311004320131 has 32 divisors (see below), whose sum is σ = 35904566476800. Its totient is φ = 13295671534080.

The previous prime is 23311004320129. The next prime is 23311004320147. The reversal of 23311004320131 is 13102340011332.

It is not a de Polignac number, because 23311004320131 - 2¹ = 23311004320129 is a prime.

It is a super-2 number, since 2×23311004320131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23311004320231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4658505 + ... + 8265813.

It is an arithmetic number, because the mean of its divisors is an integer number (1122017702400).

Almost surely, 2^{23311004320131} is an apocalyptic number.

23311004320131 is a deficient number, since it is larger than the sum of its proper divisors (12593562156669).

23311004320131 is a wasteful number, since it uses less digits than its factorization.

23311004320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618859.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 23311004320131 its reverse (13102340011332), we get a palindrome (36413344331463).

The spelling of 23311004320131 in words is "twenty-three trillion, three hundred eleven billion, four million, three hundred twenty thousand, one hundred thirty-one".