131214520571 has 4 divisors (see below), whose sum is σ = 131215245792. Its totient is φ = 131213795352.

The previous prime is 131214520561. The next prime is 131214520583. The reversal of 131214520571 is 175025412131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 131214520571 - 2²² = 131210326267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131214520561) 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, 156590 + ... + 535676.

It is an arithmetic number, because the mean of its divisors is an integer number (32803811448).

Almost surely, 2^131214520571 is an apocalyptic number.

131214520571 is a deficient number, since it is larger than the sum of its proper divisors (725221).

131214520571 is an equidigital number, since it uses as much as digits as its factorization.

131214520571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725220.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 131214520571 in words is "one hundred thirty-one billion, two hundred fourteen million, five hundred twenty thousand, five hundred seventy-one".