131340250 has 16 divisors (see below), whose sum is σ = 245869416. Its totient is φ = 52536000.

The previous prime is 131340247. The next prime is 131340263. The reversal of 131340250 is 52043131.

It can be written as a sum of positive squares in 4 ways, for example, as 9259849 + 122080401 = 3043^2 + 11049^2 .

It is a super-2 number, since 2×131340250² = 34500522540125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262431 + ... + 262930.

Almost surely, 2^131340250 is an apocalyptic number.

131340250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131340250 is a deficient number, since it is larger than the sum of its proper divisors (114529166).

131340250 is an equidigital number, since it uses as much as digits as its factorization.

131340250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525378 (or 525368 counting only the distinct ones).

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

The square root of 131340250 is about 11460.3773934369. The cubic root of 131340250 is about 508.3146339683.

Adding to 131340250 its reverse (52043131), we get a palindrome (183383381).

The spelling of 131340250 in words is "one hundred thirty-one million, three hundred forty thousand, two hundred fifty".