131011116 has 12 divisors (see below), whose sum is σ = 305692632. Its totient is φ = 43670368.

The previous prime is 131011079. The next prime is 131011123. The reversal of 131011116 is 611110131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 131011095 and 131011104.

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, 5458785 + ... + 5458808.

It is an arithmetic number, because the mean of its divisors is an integer number (25474386).

Almost surely, 2^131011116 is an apocalyptic number.

It is an amenable number.

131011116 is an abundant number, since it is smaller than the sum of its proper divisors (174681516).

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

131011116 is a wasteful number, since it uses less digits than its factorization.

131011116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917600 (or 10917598 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 131011116 is about 11446.0087366732. The cubic root of 131011116 is about 507.8896726536.

Adding to 131011116 its reverse (611110131), we get a palindrome (742121247).

The spelling of 131011116 in words is "one hundred thirty-one million, eleven thousand, one hundred sixteen".