131112424143 has 24 divisors (see below), whose sum is σ = 199727673600. Its totient is φ = 85926777048.

The previous prime is 131112424139. The next prime is 131112424159. The reversal of 131112424143 is 341424211131.

It is a happy number.

131112424143 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 1 + 242 + 414 + 3 = 666.

It is not a de Polignac number, because 131112424143 - 2² = 131112424139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131112424103) 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, 4558183 + ... + 4586856.

It is an arithmetic number, because the mean of its divisors is an integer number (8321986400).

Almost surely, 2^131112424143 is an apocalyptic number.

131112424143 is a deficient number, since it is larger than the sum of its proper divisors (68615249457).

131112424143 is an frugal number, since it uses more digits than its factorization.

131112424143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145113 (or 9145101 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 131112424143 its reverse (341424211131), we get a palindrome (472536635274).

The spelling of 131112424143 in words is "one hundred thirty-one billion, one hundred twelve million, four hundred twenty-four thousand, one hundred forty-three".