131232727 has 4 divisors (see below), whose sum is σ = 131319976. Its totient is φ = 131145480.

The previous prime is 131232721. The next prime is 131232737. The reversal of 131232727 is 727232131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727232131 = 31 ⋅23459101.

It is a cyclic number.

It is not a de Polignac number, because 131232727 - 2³ = 131232719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131232695 and 131232704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131232721) 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, 41328 + ... + 44389.

It is an arithmetic number, because the mean of its divisors is an integer number (32829994).

Almost surely, 2^131232727 is an apocalyptic number.

131232727 is a deficient number, since it is larger than the sum of its proper divisors (87249).

131232727 is an equidigital number, since it uses as much as digits as its factorization.

131232727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87248.

The product of its digits is 3528, while the sum is 28.

The square root of 131232727 is about 11455.6853570618. The cubic root of 131232727 is about 508.1758838240.

Adding to 131232727 its reverse (727232131), we get a palindrome (858464858).

The spelling of 131232727 in words is "one hundred thirty-one million, two hundred thirty-two thousand, seven hundred twenty-seven".