131600234 has 4 divisors (see below), whose sum is σ = 197400354. Its totient is φ = 65800116.

The previous prime is 131600233. The next prime is 131600237. The reversal of 131600234 is 432006131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432006131 = 109 ⋅3963359.

It can be written as a sum of positive squares in only one way, i.e., 131171209 + 429025 = 11453^2 + 655^2 .

It is not an unprimeable number, because it can be changed into a prime (131600233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32900057 + ... + 32900060.

Almost surely, 2^131600234 is an apocalyptic number.

131600234 is a deficient number, since it is larger than the sum of its proper divisors (65800120).

131600234 is an equidigital number, since it uses as much as digits as its factorization.

131600234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65800119.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 131600234 is about 11471.7145187631. The cubic root of 131600234 is about 508.6498106551.

Adding to 131600234 its reverse (432006131), we get a palindrome (563606365).

The spelling of 131600234 in words is "one hundred thirty-one million, six hundred thousand, two hundred thirty-four".