131415316 has 6 divisors (see below), whose sum is σ = 229976810. Its totient is φ = 65707656.

The previous prime is 131415313. The next prime is 131415329. The reversal of 131415316 is 613514131.

131415316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 102212100 + 29203216 = 10110^2 + 5404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131415313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16426911 + ... + 16426918.

Almost surely, 2^131415316 is an apocalyptic number.

It is an amenable number.

131415316 is a deficient number, since it is larger than the sum of its proper divisors (98561494).

131415316 is a wasteful number, since it uses less digits than its factorization.

131415316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32853833 (or 32853831 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 131415316 is about 11463.6519486593. The cubic root of 131415316 is about 508.4114559737.

Adding to 131415316 its reverse (613514131), we get a palindrome (744929447).

The spelling of 131415316 in words is "one hundred thirty-one million, four hundred fifteen thousand, three hundred sixteen".