13123323303031 has 4 divisors (see below), whose sum is σ = 13124403513000. Its totient is φ = 13122243093064.

The previous prime is 13123323303017. The next prime is 13123323303037. The reversal of 13123323303031 is 13030332332131.

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 13123323303031 - 2¹³ = 13123323294839 is a prime.

It is a super-2 number, since 2×13123323303031² (a number of 27 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 (13123323303037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540086761 + ... + 540111058.

It is an arithmetic number, because the mean of its divisors is an integer number (3281100878250).

Almost surely, 2^{13123323303031} is an apocalyptic number.

13123323303031 is a deficient number, since it is larger than the sum of its proper divisors (1080209969).

13123323303031 is a wasteful number, since it uses less digits than its factorization.

13123323303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080209968.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 13123323303031 its reverse (13030332332131), we get a palindrome (26153655635162).

The spelling of 13123323303031 in words is "thirteen trillion, one hundred twenty-three billion, three hundred twenty-three million, three hundred three thousand, thirty-one".