131131244242444 has 12 divisors (see below), whose sum is σ = 229629566185768. Its totient is φ = 65522796760800.

The previous prime is 131131244242417. The next prime is 131131244242459. The reversal of 131131244242444 is 444242442131131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131131244242397 and 131131244242406.

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, 10706333217 + ... + 10706345464.

Almost surely, 2^{131131244242444} is an apocalyptic number.

It is an amenable number.

131131244242444 is a deficient number, since it is larger than the sum of its proper divisors (98498321943324).

131131244242444 is a wasteful number, since it uses less digits than its factorization.

131131244242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21412680216 (or 21412680214 counting only the distinct ones).

The product of its digits is 294912, while the sum is 40.

Adding to 131131244242444 its reverse (444242442131131), we get a palindrome (575373686373575).

The spelling of 131131244242444 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, two hundred forty-four million, two hundred forty-two thousand, four hundred forty-four".