131224202 has 16 divisors (see below), whose sum is σ = 198469440. Its totient is φ = 65070432.

The previous prime is 131224199. The next prime is 131224213. The reversal of 131224202 is 202422131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176243 + ... + 176985.

It is an arithmetic number, because the mean of its divisors is an integer number (12404340).

Almost surely, 2^131224202 is an apocalyptic number.

131224202 is a deficient number, since it is larger than the sum of its proper divisors (67245238).

131224202 is a wasteful number, since it uses less digits than its factorization.

131224202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 131224202 is about 11455.3132650312. The cubic root of 131224202 is about 508.1648797263.

Adding to 131224202 its reverse (202422131), we get a palindrome (333646333).

The spelling of 131224202 in words is "one hundred thirty-one million, two hundred twenty-four thousand, two hundred two".