131471785417 has 8 divisors (see below), whose sum is σ = 150256156736. Its totient is φ = 112688086032.

The previous prime is 131471785391. The next prime is 131471785427. The reversal of 131471785417 is 714587174131.

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

It is a cyclic number.

It is not a de Polignac number, because 131471785417 - 2²³ = 131463396809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131471785427) 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, 363343 + ... + 628459.

It is an arithmetic number, because the mean of its divisors is an integer number (18782019592).

Almost surely, 2^131471785417 is an apocalyptic number.

It is an amenable number.

131471785417 is a deficient number, since it is larger than the sum of its proper divisors (18784371319).

131471785417 is an equidigital number, since it uses as much as digits as its factorization.

131471785417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335967.

The product of its digits is 658560, while the sum is 49.

The spelling of 131471785417 in words is "one hundred thirty-one billion, four hundred seventy-one million, seven hundred eighty-five thousand, four hundred seventeen".