13112001320231 has 4 divisors (see below), whose sum is σ = 14304001440264. Its totient is φ = 11920001200200.

The previous prime is 13112001320087. The next prime is 13112001320237. The reversal of 13112001320231 is 13202310021131.

It is a happy number.

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 13112001320231 - 2¹⁴ = 13112001303847 is a prime.

It is a super-2 number, since 2×13112001320231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112001320237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596000060000 + ... + 596000060021.

It is an arithmetic number, because the mean of its divisors is an integer number (3576000360066).

Almost surely, 2^{13112001320231} is an apocalyptic number.

13112001320231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13112001320231 is a deficient number, since it is larger than the sum of its proper divisors (1192000120033).

13112001320231 is a wasteful number, since it uses less digits than its factorization.

13112001320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192000120032.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13112001320231 its reverse (13202310021131), we get a palindrome (26314311341362).

The spelling of 13112001320231 in words is "thirteen trillion, one hundred twelve billion, one million, three hundred twenty thousand, two hundred thirty-one".