13123302330431 has 4 divisors (see below), whose sum is σ = 13125169891512. Its totient is φ = 13121434769352.

The previous prime is 13123302330403. The next prime is 13123302330451. The reversal of 13123302330431 is 13403320332131.

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 13123302330431 - 2¹⁴ = 13123302314047 is a prime.

It is a super-2 number, since 2×13123302330431² (a number of 27 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 = 13123302330394 and 13123302330403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123302330451) 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, 933770000 + ... + 933784053.

It is an arithmetic number, because the mean of its divisors is an integer number (3281292472878).

Almost surely, 2^{13123302330431} is an apocalyptic number.

13123302330431 is a deficient number, since it is larger than the sum of its proper divisors (1867561081).

13123302330431 is an equidigital number, since it uses as much as digits as its factorization.

13123302330431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867561080.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 13123302330431 its reverse (13403320332131), we get a palindrome (26526622662562).

The spelling of 13123302330431 in words is "thirteen trillion, one hundred twenty-three billion, three hundred two million, three hundred thirty thousand, four hundred thirty-one".