131004271 has 4 divisors (see below), whose sum is σ = 133151944. Its totient is φ = 128856600.

The previous prime is 131004253. The next prime is 131004277. The reversal of 131004271 is 172400131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131004271 - 2¹³ = 130996079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131004277) 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, 1073745 + ... + 1073866.

It is an arithmetic number, because the mean of its divisors is an integer number (33287986).

Almost surely, 2^131004271 is an apocalyptic number.

131004271 is a deficient number, since it is larger than the sum of its proper divisors (2147673).

131004271 is an equidigital number, since it uses as much as digits as its factorization.

131004271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147672.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 131004271 is about 11445.7097202402. The cubic root of 131004271 is about 507.8808271819.

It can be divided in two parts, 13100 and 4271, that added together give a palindrome (17371).

The spelling of 131004271 in words is "one hundred thirty-one million, four thousand, two hundred seventy-one".