131011431202144 has 24 divisors (see below), whose sum is σ = 257956941610368. Its totient is φ = 65498557142400.

The previous prime is 131011431202133. The next prime is 131011431202153. The reversal of 131011431202144 is 441202134110131.

It is a super-2 number, since 2×131011431202144² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223404427 + ... + 223990090.

It is an arithmetic number, because the mean of its divisors is an integer number (10748205900432).

Almost surely, 2^{131011431202144} is an apocalyptic number.

It is an amenable number.

131011431202144 is a deficient number, since it is larger than the sum of its proper divisors (126945510408224).

131011431202144 is an equidigital number, since it uses as much as digits as its factorization.

131011431202144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447403678 (or 447403670 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 131011431202144 its reverse (441202134110131), we get a palindrome (572213565312275).

The spelling of 131011431202144 in words is "one hundred thirty-one trillion, eleven billion, four hundred thirty-one million, two hundred two thousand, one hundred forty-four".