131303132 has 12 divisors (see below), whose sum is σ = 230002920. Its totient is φ = 65588016.

The previous prime is 131303119. The next prime is 131303147. The reversal of 131303132 is 231303131.

It is a self number, because there is not a number n which added to its sum of digits gives 131303132.

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, 11078 + ... + 19629.

It is an arithmetic number, because the mean of its divisors is an integer number (19166910).

Almost surely, 2^131303132 is an apocalyptic number.

It is an amenable number.

131303132 is a deficient number, since it is larger than the sum of its proper divisors (98699788).

131303132 is a wasteful number, since it uses less digits than its factorization.

131303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31780 (or 31778 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131303132 is about 11458.7578733474. The cubic root of 131303132 is about 508.2667446116.

Adding to 131303132 its reverse (231303131), we get a palindrome (362606263).

Subtracting 131303132 from its reverse (231303131), we obtain a palindrome (99999999).

The spelling of 131303132 in words is "one hundred thirty-one million, three hundred three thousand, one hundred thirty-two".