131223232031005 has 8 divisors (see below), whose sum is σ = 157552221179232. Its totient is φ = 104922357130128.

The previous prime is 131223232030997. The next prime is 131223232031033. The reversal of 131223232031005 is 500130232322131.

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 131223232031005 - 2³ = 131223232030997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7028551567 + ... + 7028570236.

It is an arithmetic number, because the mean of its divisors is an integer number (19694027647404).

Almost surely, 2^{131223232031005} is an apocalyptic number.

It is an amenable number.

131223232031005 is a deficient number, since it is larger than the sum of its proper divisors (26328989148227).

131223232031005 is a wasteful number, since it uses less digits than its factorization.

131223232031005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14057123675.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 131223232031005 its reverse (500130232322131), we get a palindrome (631353464353136).

The spelling of 131223232031005 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred thirty-two million, thirty-one thousand, five".