23031031303 has 24 divisors (see below), whose sum is σ = 26910420480. Its totient is φ = 19653258240.

The previous prime is 23031031291. The next prime is 23031031307. The reversal of 23031031303 is 30313013032.

It is a de Polignac number, because none of the positive numbers 2^k-23031031303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031031307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17433883 + ... + 17435203.

It is an arithmetic number, because the mean of its divisors is an integer number (1121267520).

Almost surely, 2^23031031303 is an apocalyptic number.

23031031303 is a deficient number, since it is larger than the sum of its proper divisors (3879389177).

23031031303 is a wasteful number, since it uses less digits than its factorization.

23031031303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 23031031303 its reverse (30313013032), we get a palindrome (53344044335).

The spelling of 23031031303 in words is "twenty-three billion, thirty-one million, thirty-one thousand, three hundred three".