131343231223001 has 16 divisors (see below), whose sum is σ = 150339003386880. Its totient is φ = 112405697818560.

The previous prime is 131343231222989. The next prime is 131343231223021. The reversal of 131343231223001 is 100322132343131.

It is a cyclic number.

It is not a de Polignac number, because 131343231223001 - 2³⁰ = 131342157481177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131343231223021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7347755 + ... + 17795391.

It is an arithmetic number, because the mean of its divisors is an integer number (9396187711680).

Almost surely, 2^{131343231223001} is an apocalyptic number.

It is an amenable number.

131343231223001 is a deficient number, since it is larger than the sum of its proper divisors (18995772163879).

131343231223001 is a wasteful number, since it uses less digits than its factorization.

131343231223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10450424.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131343231223001 its reverse (100322132343131), we get a palindrome (231665363566132).

The spelling of 131343231223001 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty-one million, two hundred twenty-three thousand, one".