131223301344231 has 8 divisors (see below), whose sum is σ = 174964464700800. Its totient is φ = 87482169441912.

The previous prime is 131223301344217. The next prime is 131223301344271. The reversal of 131223301344231 is 132443103322131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131223301344231 - 2⁶ = 131223301344167 is a prime.

It is a super-2 number, since 2×131223301344231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131223301344192 and 131223301344201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223301344271) 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, 4770736 + ... + 16888058.

It is an arithmetic number, because the mean of its divisors is an integer number (21870558087600).

Almost surely, 2^{131223301344231} is an apocalyptic number.

131223301344231 is a deficient number, since it is larger than the sum of its proper divisors (43741163356569).

131223301344231 is a wasteful number, since it uses less digits than its factorization.

131223301344231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727125.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 131223301344231 its reverse (132443103322131), we get a palindrome (263666404666362).

The spelling of 131223301344231 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred one million, three hundred forty-four thousand, two hundred thirty-one".