131303836 has 24 divisors (see below), whose sum is σ = 233392320. Its totient is φ = 64627200.

The previous prime is 131303827. The next prime is 131303899. The reversal of 131303836 is 638303131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95796 + ... + 97156.

It is an arithmetic number, because the mean of its divisors is an integer number (9724680).

Almost surely, 2^131303836 is an apocalyptic number.

It is an amenable number.

131303836 is a deficient number, since it is larger than the sum of its proper divisors (102088484).

131303836 is a wasteful number, since it uses less digits than its factorization.

131303836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 131303836 is about 11458.7885921680. The cubic root of 131303836 is about 508.2676529909.

Adding to 131303836 its reverse (638303131), we get a palindrome (769606967).

The spelling of 131303836 in words is "one hundred thirty-one million, three hundred three thousand, eight hundred thirty-six".