131243615016441 has 4 divisors (see below), whose sum is σ = 174991486688592. Its totient is φ = 87495743344292.

The previous prime is 131243615016421. The next prime is 131243615016443. The reversal of 131243615016441 is 144610516342131.

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 131243615016441 - 2⁷ = 131243615016313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131243615016393 and 131243615016402.

It is not an unprimeable number, because it can be changed into a prime (131243615016443) 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, 21873935836071 + ... + 21873935836076.

It is an arithmetic number, because the mean of its divisors is an integer number (43747871672148).

Almost surely, 2^{131243615016441} is an apocalyptic number.

It is an amenable number.

131243615016441 is a deficient number, since it is larger than the sum of its proper divisors (43747871672151).

131243615016441 is an equidigital number, since it uses as much as digits as its factorization.

131243615016441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43747871672150.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 131243615016441 in words is "one hundred thirty-one trillion, two hundred forty-three billion, six hundred fifteen million, sixteen thousand, four hundred forty-one".