13031231111323 has 8 divisors (see below), whose sum is σ = 13717297915920. Its totient is φ = 12345185560320.

The previous prime is 13031231111321. The next prime is 13031231111357. The reversal of 13031231111323 is 32311113213031.

13031231111323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13031231111323 - 2¹ = 13031231111321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031231111321) 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, 4047118 + ... + 6514723.

It is an arithmetic number, because the mean of its divisors is an integer number (1714662239490).

Almost surely, 2^{13031231111323} is an apocalyptic number.

13031231111323 is a deficient number, since it is larger than the sum of its proper divisors (686066804597).

13031231111323 is a wasteful number, since it uses less digits than its factorization.

13031231111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626797.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13031231111323 its reverse (32311113213031), we get a palindrome (45342344324354).

The spelling of 13031231111323 in words is "thirteen trillion, thirty-one billion, two hundred thirty-one million, one hundred eleven thousand, three hundred twenty-three".