131133044 has 12 divisors (see below), whose sum is σ = 262266144. Its totient is φ = 56199864.

The previous prime is 131133031. The next prime is 131133049. The reversal of 131133044 is 440331131.

131133044 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341634 + ... + 2341689.

It is an arithmetic number, because the mean of its divisors is an integer number (21855512).

Almost surely, 2^131133044 is an apocalyptic number.

131133044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131133044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131133044 is a wasteful number, since it uses less digits than its factorization.

131133044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683334 (or 4683332 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 131133044 is about 11451.3337214492. Note that the first 3 decimals coincide. The cubic root of 131133044 is about 508.0471828786.

Adding to 131133044 its reverse (440331131), we get a palindrome (571464175).

The spelling of 131133044 in words is "one hundred thirty-one million, one hundred thirty-three thousand, forty-four".