131252471 has 8 divisors (see below), whose sum is σ = 150959520. Its totient is φ = 111784608.

The previous prime is 131252447. The next prime is 131252477. The reversal of 131252471 is 174252131.

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 131252471 - 2¹⁴ = 131236087 is a prime.

It is a super-3 number, since 3×131252471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131252471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131252477) 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, 58616 + ... + 60813.

It is an arithmetic number, because the mean of its divisors is an integer number (18869940).

Almost surely, 2^131252471 is an apocalyptic number.

131252471 is a deficient number, since it is larger than the sum of its proper divisors (19707049).

131252471 is a wasteful number, since it uses less digits than its factorization.

131252471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119593.

The product of its digits is 1680, while the sum is 26.

The square root of 131252471 is about 11456.5470801634. The cubic root of 131252471 is about 508.2013676133.

The spelling of 131252471 in words is "one hundred thirty-one million, two hundred fifty-two thousand, four hundred seventy-one".