131122442143 has 24 divisors (see below), whose sum is σ = 166509786240. Its totient is φ = 102103812720.

The previous prime is 131122442111. The next prime is 131122442159. The reversal of 131122442143 is 341244221131.

It is a happy number.

It is not a de Polignac number, because 131122442143 - 2⁵ = 131122442111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122442183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717318 + ... + 881356.

It is an arithmetic number, because the mean of its divisors is an integer number (6937907760).

Almost surely, 2^131122442143 is an apocalyptic number.

131122442143 is a deficient number, since it is larger than the sum of its proper divisors (35387344097).

131122442143 is a wasteful number, since it uses less digits than its factorization.

131122442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165547 (or 165540 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 131122442143 its reverse (341244221131), we get a palindrome (472366663274).

The spelling of 131122442143 in words is "one hundred thirty-one billion, one hundred twenty-two million, four hundred forty-two thousand, one hundred forty-three".