131232250 has 64 divisors (see below), whose sum is σ = 265524480. Its totient is φ = 48417600.

The previous prime is 131232209. The next prime is 131232251. The reversal of 131232250 is 52232131.

It is not an unprimeable number, because it can be changed into a prime (131232251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166357 + ... + 167143.

It is an arithmetic number, because the mean of its divisors is an integer number (4148820).

Almost surely, 2^131232250 is an apocalyptic number.

131232250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131232250 is an abundant number, since it is smaller than the sum of its proper divisors (134292230).

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

131232250 is a wasteful number, since it uses less digits than its factorization.

131232250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 131232250 is about 11455.6645376861. The cubic root of 131232250 is about 508.1752681234.

Adding to 131232250 its reverse (52232131), we get a palindrome (183464381).

The spelling of 131232250 in words is "one hundred thirty-one million, two hundred thirty-two thousand, two hundred fifty".