131200234 has 32 divisors (see below), whose sum is σ = 231776640. Its totient is φ = 55070400.

The previous prime is 131200229. The next prime is 131200241. The reversal of 131200234 is 432002131.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 10204 + ... + 19144.

It is an arithmetic number, because the mean of its divisors is an integer number (7243020).

Almost surely, 2^131200234 is an apocalyptic number.

131200234 is a deficient number, since it is larger than the sum of its proper divisors (100576406).

131200234 is a wasteful number, since it uses less digits than its factorization.

131200234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131200234 is about 11454.2670651596. The cubic root of 131200234 is about 508.1339392005.

Adding to 131200234 its reverse (432002131), we get a palindrome (563202365).

The spelling of 131200234 in words is "one hundred thirty-one million, two hundred thousand, two hundred thirty-four".