131011220400143 has 8 divisors (see below), whose sum is σ = 138719945395440. Its totient is φ = 123302737918080.

The previous prime is 131011220400133. The next prime is 131011220400149. The reversal of 131011220400143 is 341004022110131.

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 131011220400143 - 2⁸ = 131011220399887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011220400149) 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, 59515493 + ... + 61677518.

It is an arithmetic number, because the mean of its divisors is an integer number (17339993174430).

Almost surely, 2^{131011220400143} is an apocalyptic number.

131011220400143 is a deficient number, since it is larger than the sum of its proper divisors (7708724995297).

131011220400143 is a wasteful number, since it uses less digits than its factorization.

131011220400143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121256617.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131011220400143 its reverse (341004022110131), we get a palindrome (472015242510274).

The spelling of 131011220400143 in words is "one hundred thirty-one trillion, eleven billion, two hundred twenty million, four hundred thousand, one hundred forty-three".