131930316 has 144 divisors (see below), whose sum is σ = 404454400. Its totient is φ = 36425376.

The previous prime is 131930299. The next prime is 131930347. The reversal of 131930316 is 613039131.

131930316 is a `hidden beast` number, since 1 + 319 + 30 + 316 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 131930316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1669965 + ... + 1670043.

Almost surely, 2^131930316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131930316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202227200).

131930316 is an abundant number, since it is smaller than the sum of its proper divisors (272524084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131930316 is a wasteful number, since it uses less digits than its factorization.

131930316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 131930316 is about 11486.0922858908. The cubic root of 131930316 is about 509.0747237008.

Adding to 131930316 its reverse (613039131), we get a palindrome (744969447).

The spelling of 131930316 in words is "one hundred thirty-one million, nine hundred thirty thousand, three hundred sixteen".