131344345140413 has 4 divisors (see below), whose sum is σ = 133006931787840. Its totient is φ = 129681758492988.

The previous prime is 131344345140397. The next prime is 131344345140451. The reversal of 131344345140413 is 314041543443131.

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 131344345140413 - 2⁴ = 131344345140397 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 (131344345100413) 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, 831293323595 + ... + 831293323752.

It is an arithmetic number, because the mean of its divisors is an integer number (33251732946960).

Almost surely, 2^{131344345140413} is an apocalyptic number.

It is an amenable number.

131344345140413 is a deficient number, since it is larger than the sum of its proper divisors (1662586647427).

131344345140413 is an equidigital number, since it uses as much as digits as its factorization.

131344345140413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662586647426.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 131344345140413 its reverse (314041543443131), we get a palindrome (445385888583544).

The spelling of 131344345140413 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred forty-five million, one hundred forty thousand, four hundred thirteen".