131510512 has 120 divisors (see below), whose sum is σ = 313479936. Its totient is φ = 53230464.

The previous prime is 131510501. The next prime is 131510513. The reversal of 131510512 is 215015131.

It is a self number, because there is not a number n which added to its sum of digits gives 131510512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131510513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1584423 + ... + 1584505.

Almost surely, 2^131510512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131510512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156739968).

131510512 is an abundant number, since it is smaller than the sum of its proper divisors (181969424).

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

131510512 is a wasteful number, since it uses less digits than its factorization.

131510512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 131510512 is about 11467.8032770012. The cubic root of 131510512 is about 508.5341891442.

Adding to 131510512 its reverse (215015131), we get a palindrome (346525643).

The spelling of 131510512 in words is "one hundred thirty-one million, five hundred ten thousand, five hundred twelve".