131223202 has 32 divisors (see below), whose sum is σ = 224726400. Its totient is φ = 56918400.

The previous prime is 131223193. The next prime is 131223227. The reversal of 131223202 is 202322131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55627 + ... + 57937.

It is an arithmetic number, because the mean of its divisors is an integer number (7022700).

Almost surely, 2^131223202 is an apocalyptic number.

131223202 is a deficient number, since it is larger than the sum of its proper divisors (93503198).

131223202 is a wasteful number, since it uses less digits than its factorization.

131223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442.

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

The square root of 131223202 is about 11455.2696170802. The cubic root of 131223202 is about 508.1635888919.

Adding to 131223202 its reverse (202322131), we get a palindrome (333545333).

The spelling of 131223202 in words is "one hundred thirty-one million, two hundred twenty-three thousand, two hundred two".