131444034014413 has 4 divisors (see below), whose sum is σ = 134996575474300. Its totient is φ = 127891492554528.

The previous prime is 131444034014357. The next prime is 131444034014459. The reversal of 131444034014413 is 314410430444131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105116893538409 + 26327140476004 = 10252653^2 + 5130998^2 .

It is a cyclic number.

It is not a de Polignac number, because 131444034014413 - 2²⁹ = 131443497143501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3552541459849 = 131444034014413 / (1 + 3 + 1 + 4 + 4 + 4 + 0 + 3 + 4 + 0 + 1 + 4 + 4 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131444034018413) 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, 1776270729888 + ... + 1776270729961.

It is an arithmetic number, because the mean of its divisors is an integer number (33749143868575).

Almost surely, 2^{131444034014413} is an apocalyptic number.

It is an amenable number.

131444034014413 is a deficient number, since it is larger than the sum of its proper divisors (3552541459887).

131444034014413 is an equidigital number, since it uses as much as digits as its factorization.

131444034014413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552541459886.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 131444034014413 its reverse (314410430444131), we get a palindrome (445854464458544).

The spelling of 131444034014413 in words is "one hundred thirty-one trillion, four hundred forty-four billion, thirty-four million, fourteen thousand, four hundred thirteen".