131202250 has 32 divisors (see below), whose sum is σ = 248609088. Its totient is φ = 51840400.

The previous prime is 131202187. The next prime is 131202263. The reversal of 131202250 is 52202131.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17589 + ... + 23911.

It is an arithmetic number, because the mean of its divisors is an integer number (7769034).

Almost surely, 2^131202250 is an apocalyptic number.

131202250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131202250 is a deficient number, since it is larger than the sum of its proper divisors (117406838).

131202250 is an equidigital number, since it uses as much as digits as its factorization.

131202250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 131202250 is about 11454.3550669603. The cubic root of 131202250 is about 508.1365418197.

Adding to 131202250 its reverse (52202131), we get a palindrome (183404381).

The spelling of 131202250 in words is "one hundred thirty-one million, two hundred two thousand, two hundred fifty".