131300404 has 12 divisors (see below), whose sum is σ = 232051428. Its totient is φ = 65000000.

The previous prime is 131300363. The next prime is 131300413. The reversal of 131300404 is 404003131.

It can be written as a sum of positive squares in 2 ways, for example, as 124277904 + 7022500 = 11148^2 + 2650^2 .

It is a congruent number.

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, 162097 + ... + 162904.

It is an arithmetic number, because the mean of its divisors is an integer number (19337619).

Almost surely, 2^131300404 is an apocalyptic number.

It is an amenable number.

131300404 is a deficient number, since it is larger than the sum of its proper divisors (100751024).

131300404 is a wasteful number, since it uses less digits than its factorization.

131300404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325106 (or 325104 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131300404 is about 11458.6388371394. The cubic root of 131300404 is about 508.2632246110.

Adding to 131300404 its reverse (404003131), we get a palindrome (535303535).

The spelling of 131300404 in words is "one hundred thirty-one million, three hundred thousand, four hundred four".