131022202 has 8 divisors (see below), whose sum is σ = 197039700. Its totient is φ = 65342304.

The previous prime is 131022187. The next prime is 131022259. The reversal of 131022202 is 202220131.

It can be written as a sum of positive squares in 2 ways, for example, as 123187801 + 7834401 = 11099^2 + 2799^2 .

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

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83427 + ... + 84982.

Almost surely, 2^131022202 is an apocalyptic number.

131022202 is a deficient number, since it is larger than the sum of its proper divisors (66017498).

131022202 is a wasteful number, since it uses less digits than its factorization.

131022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168800.

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

The square root of 131022202 is about 11446.4930000415. The cubic root of 131022202 is about 507.9039979167.

Adding to 131022202 its reverse (202220131), we get a palindrome (333242333).

The spelling of 131022202 in words is "one hundred thirty-one million, twenty-two thousand, two hundred two".