131525234223 has 4 divisors (see below), whose sum is σ = 175366978968. Its totient is φ = 87683489480.

The previous prime is 131525234213. The next prime is 131525234227. The reversal of 131525234223 is 322432525131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131525234223 - 2⁴ = 131525234207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131525234227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21920872368 + ... + 21920872373.

It is an arithmetic number, because the mean of its divisors is an integer number (43841744742).

Almost surely, 2^131525234223 is an apocalyptic number.

131525234223 is a deficient number, since it is larger than the sum of its proper divisors (43841744745).

131525234223 is an equidigital number, since it uses as much as digits as its factorization.

131525234223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43841744744.

The product of its digits is 43200, while the sum is 33.

Adding to 131525234223 its reverse (322432525131), we get a palindrome (453957759354).

The spelling of 131525234223 in words is "one hundred thirty-one billion, five hundred twenty-five million, two hundred thirty-four thousand, two hundred twenty-three".