23303231331 has 32 divisors (see below), whose sum is σ = 32435407680. Its totient is φ = 14868209664.

The previous prime is 23303231327. The next prime is 23303231339. The reversal of 23303231331 is 13313230332.

It is not a de Polignac number, because 23303231331 - 2² = 23303231327 is a prime.

It is a super-2 number, since 2×23303231331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23303231339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3148371 + ... + 3155763.

It is an arithmetic number, because the mean of its divisors is an integer number (1013606490).

Almost surely, 2^23303231331 is an apocalyptic number.

23303231331 is a deficient number, since it is larger than the sum of its proper divisors (9132176349).

23303231331 is a wasteful number, since it uses less digits than its factorization.

23303231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 23303231331 its reverse (13313230332), we get a palindrome (36616461663).

Subtracting from 23303231331 its reverse (13313230332), we obtain a palindrome (9990000999).

The spelling of 23303231331 in words is "twenty-three billion, three hundred three million, two hundred thirty-one thousand, three hundred thirty-one".