13031332031223 has 12 divisors (see below), whose sum is σ = 20534220170568. Its totient is φ = 7897776988560.

The previous prime is 13031332031209. The next prime is 13031332031239. The reversal of 13031332031223 is 32213023313031.

13031332031223 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 1 + 3 + 320 + 312 + 23 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13031332031223 is a prime.

It is a super-2 number, since 2×13031332031223² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031332032223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65814808140 + ... + 65814808337.

It is an arithmetic number, because the mean of its divisors is an integer number (1711185014214).

Almost surely, 2^{13031332031223} is an apocalyptic number.

13031332031223 is a deficient number, since it is larger than the sum of its proper divisors (7502888139345).

13031332031223 is a wasteful number, since it uses less digits than its factorization.

13031332031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131629616494 (or 131629616491 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 13031332031223 its reverse (32213023313031), we get a palindrome (45244355344254).

The spelling of 13031332031223 in words is "thirteen trillion, thirty-one billion, three hundred thirty-two million, thirty-one thousand, two hundred twenty-three".