131011431202143 has 64 divisors (see below), whose sum is σ = 197987271753600. Its totient is φ = 85598129479680.

The previous prime is 131011431202133. The next prime is 131011431202153. The reversal of 131011431202143 is 341202134110131.

131011431202143 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 11 + 431 + 2 + 0 + 214 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (131011431202133) and next prime (131011431202153).

It is not a de Polignac number, because 131011431202143 - 2⁵ = 131011431202111 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 (131011431202103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2561943871 + ... + 2561995007.

It is an arithmetic number, because the mean of its divisors is an integer number (3093551121150).

Almost surely, 2^{131011431202143} is an apocalyptic number.

131011431202143 is a deficient number, since it is larger than the sum of its proper divisors (66975840551457).

131011431202143 is a wasteful number, since it uses less digits than its factorization.

131011431202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56809 (or 56803 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131011431202143 its reverse (341202134110131), we get a palindrome (472213565312274).

The spelling of 131011431202143 in words is "one hundred thirty-one trillion, eleven billion, four hundred thirty-one million, two hundred two thousand, one hundred forty-three".