131550116 has 12 divisors (see below), whose sum is σ = 230467020. Its totient is φ = 65702400.

The previous prime is 131550113. The next prime is 131550121. The reversal of 131550116 is 611055131.

It can be written as a sum of positive squares in 2 ways, for example, as 11560000 + 119990116 = 3400^2 + 10954^2 .

It is a super-2 number, since 2×131550116² = 34610866039226912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131550091 and 131550100.

It is not an unprimeable number, because it can be changed into a prime (131550113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13985 + ... + 21416.

It is an arithmetic number, because the mean of its divisors is an integer number (19205585).

Almost surely, 2^131550116 is an apocalyptic number.

It is an amenable number.

131550116 is a deficient number, since it is larger than the sum of its proper divisors (98916904).

131550116 is a wasteful number, since it uses less digits than its factorization.

131550116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36334 (or 36332 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 131550116 is about 11469.5298944639. The cubic root of 131550116 is about 508.5852318742.

The spelling of 131550116 in words is "one hundred thirty-one million, five hundred fifty thousand, one hundred sixteen".