23313031331 has 8 divisors (see below), whose sum is σ = 24543417600. Its totient is φ = 22082983560.

The previous prime is 23313031309. The next prime is 23313031349. The reversal of 23313031331 is 13313031332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23313031331 - 2⁶ = 23313031267 is a prime.

It is a super-2 number, since 2×23313031331² (a number of 22 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 = 23313031297 and 23313031306.

It is not an unprimeable number, because it can be changed into a prime (23313039331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63410 + ... + 225048.

It is an arithmetic number, because the mean of its divisors is an integer number (3067927200).

Almost surely, 2^23313031331 is an apocalyptic number.

23313031331 is a deficient number, since it is larger than the sum of its proper divisors (1230386269).

23313031331 is a wasteful number, since it uses less digits than its factorization.

23313031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169249.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 23313031331 its reverse (13313031332), we get a palindrome (36626062663).

Subtracting from 23313031331 its reverse (13313031332), we obtain a palindrome (9999999999).

The spelling of 23313031331 in words is "twenty-three billion, three hundred thirteen million, thirty-one thousand, three hundred thirty-one".