131200222 has 8 divisors (see below), whose sum is σ = 197733672. Its totient is φ = 65289000.

The previous prime is 131200207. The next prime is 131200229. The reversal of 131200222 is 222002131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155029 + ... + 155872.

It is an arithmetic number, because the mean of its divisors is an integer number (24716709).

Almost surely, 2^131200222 is an apocalyptic number.

131200222 is a deficient number, since it is larger than the sum of its proper divisors (66533450).

131200222 is a wasteful number, since it uses less digits than its factorization.

131200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311114.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 131200222 is about 11454.2665413373. The cubic root of 131200222 is about 508.1339237086.

Adding to 131200222 its reverse (222002131), we get a palindrome (353202353).

The spelling of 131200222 in words is "one hundred thirty-one million, two hundred thousand, two hundred twenty-two".