131270431 has 8 divisors (see below), whose sum is σ = 132363504. Its totient is φ = 130181760.

The previous prime is 131270423. The next prime is 131270459. The reversal of 131270431 is 134072131.

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 131270431 - 2³ = 131270423 is a prime.

It is a super-2 number, since 2×131270431² = 34463852109851522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131270731) 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, 83751 + ... + 85303.

It is an arithmetic number, because the mean of its divisors is an integer number (16545438).

Almost surely, 2^131270431 is an apocalyptic number.

131270431 is a deficient number, since it is larger than the sum of its proper divisors (1093073).

131270431 is a wasteful number, since it uses less digits than its factorization.

131270431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 131270431 is about 11457.3308846345. The cubic root of 131270431 is about 508.2245465554.

The spelling of 131270431 in words is "one hundred thirty-one million, two hundred seventy thousand, four hundred thirty-one".