131030571 has 16 divisors (see below), whose sum is σ = 202480128. Its totient is φ = 73819200.

The previous prime is 131030569. The next prime is 131030587. The reversal of 131030571 is 175030131.

It is not a de Polignac number, because 131030571 - 2¹ = 131030569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (131030531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42450 + ... + 45431.

It is an arithmetic number, because the mean of its divisors is an integer number (12655008).

Almost surely, 2^131030571 is an apocalyptic number.

131030571 is a deficient number, since it is larger than the sum of its proper divisors (71449557).

131030571 is an equidigital number, since it uses as much as digits as its factorization.

131030571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87962.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 131030571 is about 11446.8585646893. The cubic root of 131030571 is about 507.9148117533.

The spelling of 131030571 in words is "one hundred thirty-one million, thirty thousand, five hundred seventy-one".