131353644044 has 48 divisors (see below), whose sum is σ = 277488347136. Its totient is φ = 53211513600.

The previous prime is 131353644011. The next prime is 131353644061. The reversal of 131353644044 is 440446353131.

It is a junction number, because it is equal to n+sod(n) for n = 131353643989 and 131353644007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722317 + ... + 1796964.

It is an arithmetic number, because the mean of its divisors is an integer number (5781007232).

Almost surely, 2^131353644044 is an apocalyptic number.

131353644044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131353644044 is an abundant number, since it is smaller than the sum of its proper divisors (146134703092).

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

131353644044 is a wasteful number, since it uses less digits than its factorization.

131353644044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519366 (or 3519364 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 131353644044 its reverse (440446353131), we get a palindrome (571799997175).

The spelling of 131353644044 in words is "one hundred thirty-one billion, three hundred fifty-three million, six hundred forty-four thousand, forty-four".