131232577 has 8 divisors (see below), whose sum is σ = 150311936. Its totient is φ = 112236192.

The previous prime is 131232553. The next prime is 131232581. The reversal of 131232577 is 775232131.

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 131232577 - 2¹¹ = 131230529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131232527) 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, 17313 + ... + 23710.

It is an arithmetic number, because the mean of its divisors is an integer number (18788992).

Almost surely, 2^131232577 is an apocalyptic number.

It is an amenable number.

131232577 is a deficient number, since it is larger than the sum of its proper divisors (19079359).

131232577 is an equidigital number, since it uses as much as digits as its factorization.

131232577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41487.

The product of its digits is 8820, while the sum is 31.

The square root of 131232577 is about 11455.6788100924. The cubic root of 131232577 is about 508.1756902076.

The spelling of 131232577 in words is "one hundred thirty-one million, two hundred thirty-two thousand, five hundred seventy-seven".