131441587013 has 4 divisors (see below), whose sum is σ = 143390822208. Its totient is φ = 119492351820.

The previous prime is 131441586949. The next prime is 131441587021. The reversal of 131441587013 is 310785144131.

It is a happy number.

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 131441587013 - 2⁶ = 131441586949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131441587213) 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, 5974617581 + ... + 5974617602.

It is an arithmetic number, because the mean of its divisors is an integer number (35847705552).

Almost surely, 2^131441587013 is an apocalyptic number.

It is an amenable number.

131441587013 is a deficient number, since it is larger than the sum of its proper divisors (11949235195).

131441587013 is a wasteful number, since it uses less digits than its factorization.

131441587013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949235194.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 131441587013 in words is "one hundred thirty-one billion, four hundred forty-one million, five hundred eighty-seven thousand, thirteen".