131450377543 has 4 divisors (see below), whose sum is σ = 131457418560. Its totient is φ = 131443336528.

The previous prime is 131450377493. The next prime is 131450377547. The reversal of 131450377543 is 345773054131.

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

It is a cyclic number.

It is not a de Polignac number, because 131450377543 - 2¹⁷ = 131450246471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131450377543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131450377547) 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, 3492430 + ... + 3529867.

It is an arithmetic number, because the mean of its divisors is an integer number (32864354640).

Almost surely, 2^131450377543 is an apocalyptic number.

131450377543 is a deficient number, since it is larger than the sum of its proper divisors (7041017).

131450377543 is an equidigital number, since it uses as much as digits as its factorization.

131450377543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041016.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 131450377543 in words is "one hundred thirty-one billion, four hundred fifty million, three hundred seventy-seven thousand, five hundred forty-three".