131223111133201 has 8 divisors (see below), whose sum is σ = 131556364128000. Its totient is φ = 130890254634720.

The previous prime is 131223111133091. The next prime is 131223111133207. The reversal of 131223111133201 is 102331111322131.

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 131223111133201 - 2⁷ = 131223111133073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131223111133207) 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 7 ways as a sum of consecutive naturals, for example, 98461321 + ... + 99785158.

It is an arithmetic number, because the mean of its divisors is an integer number (16444545516000).

Almost surely, 2^{131223111133201} is an apocalyptic number.

It is an amenable number.

131223111133201 is a deficient number, since it is larger than the sum of its proper divisors (333252994799).

131223111133201 is a wasteful number, since it uses less digits than its factorization.

131223111133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198248159.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 131223111133201 its reverse (102331111322131), we get a palindrome (233554222455332).

The spelling of 131223111133201 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred eleven million, one hundred thirty-three thousand, two hundred one".