131012116 has 12 divisors (see below), whose sum is σ = 235467988. Its totient is φ = 63735552.

The previous prime is 131012113. The next prime is 131012173. The reversal of 131012116 is 611210131.

It can be written as a sum of positive squares in 2 ways, for example, as 63936016 + 67076100 = 7996^2 + 8190^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131012116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012113) 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, 442461 + ... + 442756.

Almost surely, 2^131012116 is an apocalyptic number.

It is an amenable number.

131012116 is a deficient number, since it is larger than the sum of its proper divisors (104455872).

131012116 is a wasteful number, since it uses less digits than its factorization.

131012116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885258 (or 885256 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 131012116 is about 11446.0524199394. The cubic root of 131012116 is about 507.8909648808.

Adding to 131012116 its reverse (611210131), we get a palindrome (742222247).

The spelling of 131012116 in words is "one hundred thirty-one million, twelve thousand, one hundred sixteen".