13123030332031 has 4 divisors (see below), whose sum is σ = 13813716139000. Its totient is φ = 12432344525064.

The previous prime is 13123030332029. The next prime is 13123030332043. The reversal of 13123030332031 is 13023303032131.

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 13123030332031 - 2¹ = 13123030332029 is a prime.

It is a super-2 number, since 2×13123030332031² (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 = 13123030331987 and 13123030332005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123030332331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345342903456 + ... + 345342903493.

It is an arithmetic number, because the mean of its divisors is an integer number (3453429034750).

Almost surely, 2^{13123030332031} is an apocalyptic number.

13123030332031 is a deficient number, since it is larger than the sum of its proper divisors (690685806969).

13123030332031 is an equidigital number, since it uses as much as digits as its factorization.

13123030332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690685806968.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 13123030332031 its reverse (13023303032131), we get a palindrome (26146333364162).

The spelling of 13123030332031 in words is "thirteen trillion, one hundred twenty-three billion, thirty million, three hundred thirty-two thousand, thirty-one".