131143212124013 has 4 divisors (see below), whose sum is σ = 131233593388128. Its totient is φ = 131052830859900.

The previous prime is 131143212124007. The next prime is 131143212124039. The reversal of 131143212124013 is 310421212341131.

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 131143212124013 - 2⁶ = 131143212123949 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 (131143212124513) 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, 45190629881 + ... + 45190632782.

It is an arithmetic number, because the mean of its divisors is an integer number (32808398347032).

Almost surely, 2^{131143212124013} is an apocalyptic number.

It is an amenable number.

131143212124013 is a deficient number, since it is larger than the sum of its proper divisors (90381264115).

131143212124013 is an equidigital number, since it uses as much as digits as its factorization.

131143212124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90381264114.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 131143212124013 its reverse (310421212341131), we get a palindrome (441564424465144).

The spelling of 131143212124013 in words is "one hundred thirty-one trillion, one hundred forty-three billion, two hundred twelve million, one hundred twenty-four thousand, thirteen".