131103516 has 12 divisors (see below), whose sum is σ = 305908232. Its totient is φ = 43701168.

The previous prime is 131103509. The next prime is 131103571. The reversal of 131103516 is 615301131.

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 = 131103492 and 131103501.

It is a congruent number.

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, 5462635 + ... + 5462658.

Almost surely, 2^131103516 is an apocalyptic number.

It is an amenable number.

131103516 is an abundant number, since it is smaller than the sum of its proper divisors (174804716).

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

131103516 is a wasteful number, since it uses less digits than its factorization.

131103516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925300 (or 10925298 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 131103516 is about 11450.0443667263. The cubic root of 131103516 is about 508.0090466903.

Adding to 131103516 its reverse (615301131), we get a palindrome (746404647).

The spelling of 131103516 in words is "one hundred thirty-one million, one hundred three thousand, five hundred sixteen".