23313310133231 has 4 divisors (see below), whose sum is σ = 23316052561464. Its totient is φ = 23310567705000.

The previous prime is 23313310133207. The next prime is 23313310133251. The reversal of 23313310133231 is 13233101331332.

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 23313310133231 - 2¹⁰ = 23313310132207 is a prime.

It is a super-2 number, since 2×23313310133231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23313310133194 and 23313310133203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313310133251) 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, 1371201365 + ... + 1371218366.

It is an arithmetic number, because the mean of its divisors is an integer number (5829013140366).

Almost surely, 2^{23313310133231} is an apocalyptic number.

23313310133231 is a deficient number, since it is larger than the sum of its proper divisors (2742428233).

23313310133231 is an equidigital number, since it uses as much as digits as its factorization.

23313310133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742428232.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 23313310133231 its reverse (13233101331332), we get a palindrome (36546411464563).

The spelling of 23313310133231 in words is "twenty-three trillion, three hundred thirteen billion, three hundred ten million, one hundred thirty-three thousand, two hundred thirty-one".