131319382585 has 8 divisors (see below), whose sum is σ = 158786185536. Its totient is φ = 104253555120.

The previous prime is 131319382583. The next prime is 131319382603. The reversal of 131319382585 is 585283913131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131319382585 - 2¹ = 131319382583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131319382583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100243149 + ... + 100244458.

It is an arithmetic number, because the mean of its divisors is an integer number (19848273192).

Almost surely, 2^131319382585 is an apocalyptic number.

It is an amenable number.

131319382585 is a deficient number, since it is larger than the sum of its proper divisors (27466802951).

131319382585 is a wasteful number, since it uses less digits than its factorization.

131319382585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200487743.

The product of its digits is 777600, while the sum is 49.

The spelling of 131319382585 in words is "one hundred thirty-one billion, three hundred nineteen million, three hundred eighty-two thousand, five hundred eighty-five".