13131212233013 has 4 divisors (see below), whose sum is σ = 15007099694880. Its totient is φ = 11255324771148.

The previous prime is 13131212232959. The next prime is 13131212233057. The reversal of 13131212233013 is 31033221213131.

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 13131212233013 - 2¹⁰ = 13131212231989 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 (13131212232013) 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, 937943730923 + ... + 937943730936.

It is an arithmetic number, because the mean of its divisors is an integer number (3751774923720).

Almost surely, 2^{13131212233013} is an apocalyptic number.

It is an amenable number.

13131212233013 is a deficient number, since it is larger than the sum of its proper divisors (1875887461867).

13131212233013 is an equidigital number, since it uses as much as digits as its factorization.

13131212233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875887461866.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13131212233013 its reverse (31033221213131), we get a palindrome (44164433446144).

The spelling of 13131212233013 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twelve million, two hundred thirty-three thousand, thirteen".