13031213133023 has 4 divisors (see below), whose sum is σ = 13056129411048. Its totient is φ = 13006296855000.

The previous prime is 13031213132999. The next prime is 13031213133031. The reversal of 13031213133023 is 32033131213031.

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 13031213133023 - 2⁸ = 13031213132767 is a prime.

It is a super-2 number, since 2×13031213133023² (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 = 13031213132983 and 13031213133001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031213133053) 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, 12458138228 + ... + 12458139273.

It is an arithmetic number, because the mean of its divisors is an integer number (3264032352762).

Almost surely, 2^{13031213133023} is an apocalyptic number.

13031213133023 is a deficient number, since it is larger than the sum of its proper divisors (24916278025).

13031213133023 is an equidigital number, since it uses as much as digits as its factorization.

13031213133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24916278024.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 13031213133023 its reverse (32033131213031), we get a palindrome (45064344346054).

The spelling of 13031213133023 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, one hundred thirty-three thousand, twenty-three".