131101340502144 has 64 divisors (see below), whose sum is σ = 356731543939680. Its totient is φ = 42634582272000.

The previous prime is 131101340502127. The next prime is 131101340502149. The reversal of 131101340502144 is 441205043101131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×131101340502144² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131101340502149) 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, 4163517682 + ... + 4163549169.

Almost surely, 2^{131101340502144} is an apocalyptic number.

It is an amenable number.

131101340502144 is an abundant number, since it is smaller than the sum of its proper divisors (225630203437536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131101340502144 is an equidigital number, since it uses as much as digits as its factorization.

131101340502144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327066909 (or 8327066897 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 131101340502144 its reverse (441205043101131), we get a palindrome (572306383603275).

The spelling of 131101340502144 in words is "one hundred thirty-one trillion, one hundred one billion, three hundred forty million, five hundred two thousand, one hundred forty-four".