13031223230311 has 16 divisors (see below), whose sum is σ = 15975035596800. Its totient is φ = 10459844730720.

The previous prime is 13031223230287. The next prime is 13031223230341. The reversal of 13031223230311 is 11303232213031.

It is not a de Polignac number, because 13031223230311 - 2⁵ = 13031223230279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031223230341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1981027911 + ... + 1981034488.

It is an arithmetic number, because the mean of its divisors is an integer number (998439724800).

Almost surely, 2^{13031223230311} is an apocalyptic number.

13031223230311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13031223230311 is a deficient number, since it is larger than the sum of its proper divisors (2943812366489).

13031223230311 is a wasteful number, since it uses less digits than its factorization.

13031223230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962062446.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13031223230311 its reverse (11303232213031), we get a palindrome (24334455443342).

The spelling of 13031223230311 in words is "thirteen trillion, thirty-one billion, two hundred twenty-three million, two hundred thirty thousand, three hundred eleven".