131102343525444 has 24 divisors (see below), whose sum is σ = 306533610884928. Its totient is φ = 43611046509600.

The previous prime is 131102343525403. The next prime is 131102343525509. The reversal of 131102343525444 is 444525343201131.

It is a junction number, because it is equal to n+sod(n) for n = 131102343525396 and 131102343525405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11216827107 + ... + 11216838794.

It is an arithmetic number, because the mean of its divisors is an integer number (12772233786872).

Almost surely, 2^{131102343525444} is an apocalyptic number.

It is an amenable number.

131102343525444 is an abundant number, since it is smaller than the sum of its proper divisors (175431267359484).

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

131102343525444 is a wasteful number, since it uses less digits than its factorization.

131102343525444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22433666395 (or 22433666393 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 131102343525444 its reverse (444525343201131), we get a palindrome (575627686726575).

The spelling of 131102343525444 in words is "one hundred thirty-one trillion, one hundred two billion, three hundred forty-three million, five hundred twenty-five thousand, four hundred forty-four".