131136230 has 16 divisors (see below), whose sum is σ = 236230560. Its totient is φ = 52413312.

The previous prime is 131136211. The next prime is 131136259. The reversal of 131136230 is 32631131.

It is a happy number.

It is a super-2 number, since 2×131136230² = 34393421637225800, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10487 + ... + 19293.

It is an arithmetic number, because the mean of its divisors is an integer number (14764410).

Almost surely, 2^131136230 is an apocalyptic number.

131136230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131136230 is a deficient number, since it is larger than the sum of its proper divisors (105094330).

131136230 is a wasteful number, since it uses less digits than its factorization.

131136230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 131136230 is about 11451.4728310379. The cubic root of 131136230 is about 508.0512973391.

Adding to 131136230 its reverse (32631131), we get a palindrome (163767361).

The spelling of 131136230 in words is "one hundred thirty-one million, one hundred thirty-six thousand, two hundred thirty".