13031310021323 has 8 divisors (see below), whose sum is σ = 14216042879280. Its totient is φ = 11846588548480.

The previous prime is 13031310021293. The next prime is 13031310021329. The reversal of 13031310021323 is 32312001313031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031310021323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13031310021329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358490 + ... + 5117727.

It is an arithmetic number, because the mean of its divisors is an integer number (1777005359910).

Almost surely, 2^{13031310021323} is an apocalyptic number.

13031310021323 is a deficient number, since it is larger than the sum of its proper divisors (1184732857957).

13031310021323 is a wasteful number, since it uses less digits than its factorization.

13031310021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5692557.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13031310021323 its reverse (32312001313031), we get a palindrome (45343311334354).

The spelling of 13031310021323 in words is "thirteen trillion, thirty-one billion, three hundred ten million, twenty-one thousand, three hundred twenty-three".