131810712 has 32 divisors (see below), whose sum is σ = 359484480. Its totient is φ = 39942560.

The previous prime is 131810711. The next prime is 131810737. The reversal of 131810712 is 217018131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131810711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249378 + ... + 249905.

It is an arithmetic number, because the mean of its divisors is an integer number (11233890).

Almost surely, 2^131810712 is an apocalyptic number.

131810712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131810712 is an abundant number, since it is smaller than the sum of its proper divisors (227673768).

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

131810712 is a wasteful number, since it uses less digits than its factorization.

131810712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499303 (or 499299 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 131810712 is about 11480.8846349051. The cubic root of 131810712 is about 508.9208399842.

Adding to 131810712 its reverse (217018131), we get a palindrome (348828843).

The spelling of 131810712 in words is "one hundred thirty-one million, eight hundred ten thousand, seven hundred twelve".