131223322 has 8 divisors (see below), whose sum is σ = 200061972. Its totient is φ = 64536000.

The previous prime is 131223317. The next prime is 131223361. The reversal of 131223322 is 223322131.

It can be written as a sum of positive squares in 2 ways, for example, as 107516161 + 23707161 = 10369^2 + 4869^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 131223322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537679 + ... + 537922.

Almost surely, 2^131223322 is an apocalyptic number.

131223322 is a deficient number, since it is larger than the sum of its proper divisors (68838650).

131223322 is a wasteful number, since it uses less digits than its factorization.

131223322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075664.

The product of its digits is 432, while the sum is 19.

The square root of 131223322 is about 11455.2748548431. The cubic root of 131223322 is about 508.1637437923.

Adding to 131223322 its reverse (223322131), we get a palindrome (354545453).

The spelling of 131223322 in words is "one hundred thirty-one million, two hundred twenty-three thousand, three hundred twenty-two".