131550044 has 12 divisors (see below), whose sum is σ = 230531784. Its totient is φ = 65683824.

The previous prime is 131550043. The next prime is 131550047. The reversal of 131550044 is 440055131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131550043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19502 + ... + 25365.

It is an arithmetic number, because the mean of its divisors is an integer number (19210982).

Almost surely, 2^131550044 is an apocalyptic number.

It is an amenable number.

131550044 is a deficient number, since it is larger than the sum of its proper divisors (98981740).

131550044 is a wasteful number, since it uses less digits than its factorization.

131550044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45604 (or 45602 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 131550044 is about 11469.5267557123. The cubic root of 131550044 is about 508.5851390879.

The spelling of 131550044 in words is "one hundred thirty-one million, five hundred fifty thousand, forty-four".