13112033231013 has 4 divisors (see below), whose sum is σ = 17482710974688. Its totient is φ = 8741355487340.

The previous prime is 13112033230979. The next prime is 13112033231029. The reversal of 13112033231013 is 31013233021131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13112033231013 - 2⁶ = 13112033230949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112033231053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185338871833 + ... + 2185338871838.

It is an arithmetic number, because the mean of its divisors is an integer number (4370677743672).

Almost surely, 2^{13112033231013} is an apocalyptic number.

It is an amenable number.

13112033231013 is a deficient number, since it is larger than the sum of its proper divisors (4370677743675).

13112033231013 is an equidigital number, since it uses as much as digits as its factorization.

13112033231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370677743674.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13112033231013 its reverse (31013233021131), we get a palindrome (44125266252144).

The spelling of 13112033231013 in words is "thirteen trillion, one hundred twelve billion, thirty-three million, two hundred thirty-one thousand, thirteen".