131232653 has 4 divisors (see below), whose sum is σ = 131283840. Its totient is φ = 131181468.

The previous prime is 131232643. The next prime is 131232659. The reversal of 131232653 is 356232131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131232653 - 2¹⁸ = 130970509 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 (131232659) 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, 21533 + ... + 26946.

It is an arithmetic number, because the mean of its divisors is an integer number (32820960).

Almost surely, 2^131232653 is an apocalyptic number.

It is an amenable number.

131232653 is a deficient number, since it is larger than the sum of its proper divisors (51187).

131232653 is an equidigital number, since it uses as much as digits as its factorization.

131232653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51186.

The product of its digits is 3240, while the sum is 26.

The square root of 131232653 is about 11455.6821272240. The cubic root of 131232653 is about 508.1757883066.

Adding to 131232653 its reverse (356232131), we get a palindrome (487464784).

The spelling of 131232653 in words is "one hundred thirty-one million, two hundred thirty-two thousand, six hundred fifty-three".