131355344 has 10 divisors (see below), whose sum is σ = 254501010. Its totient is φ = 65677664.

The previous prime is 131355337. The next prime is 131355347. The reversal of 131355344 is 443553131.

It can be written as a sum of positive squares in only one way, i.e., 72250000 + 59105344 = 8500^2 + 7688^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131355347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104839 + ... + 4104870.

It is an arithmetic number, because the mean of its divisors is an integer number (25450101).

Almost surely, 2^131355344 is an apocalyptic number.

It is an amenable number.

131355344 is a deficient number, since it is larger than the sum of its proper divisors (123145666).

131355344 is an equidigital number, since it uses as much as digits as its factorization.

131355344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209717 (or 8209711 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 131355344 is about 11461.0359043151. The cubic root of 131355344 is about 508.3341055499.

The spelling of 131355344 in words is "one hundred thirty-one million, three hundred fifty-five thousand, three hundred forty-four".