23311310231 has 16 divisors (see below), whose sum is σ = 27097973280. Its totient is φ = 19818439680.

The previous prime is 23311310203. The next prime is 23311310233. The reversal of 23311310231 is 13201311332.

It is a cyclic number.

It is not a de Polignac number, because 23311310231 - 2¹⁰ = 23311309207 is a prime.

It is a super-2 number, since 2×23311310231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311310233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367646 + ... + 426363.

It is an arithmetic number, because the mean of its divisors is an integer number (1693623330).

Almost surely, 2^23311310231 is an apocalyptic number.

23311310231 is a deficient number, since it is larger than the sum of its proper divisors (3786663049).

23311310231 is a wasteful number, since it uses less digits than its factorization.

23311310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794194.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23311310231 its reverse (13201311332), we get a palindrome (36512621563).

The spelling of 23311310231 in words is "twenty-three billion, three hundred eleven million, three hundred ten thousand, two hundred thirty-one".