131222331322 has 16 divisors (see below), whose sum is σ = 208485553320. Its totient is φ = 61729873408.

The previous prime is 131222331307. The next prime is 131222331323. The reversal of 131222331322 is 223133222131.

It can be written as a sum of positive squares in 4 ways, for example, as 97955854441 + 33266476881 = 312979^2 + 182391^2 .

It is not an unprimeable number, because it can be changed into a prime (131222331323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583747 + ... + 776662.

Almost surely, 2^131222331322 is an apocalyptic number.

131222331322 is a deficient number, since it is larger than the sum of its proper divisors (77263221998).

131222331322 is a wasteful number, since it uses less digits than its factorization.

131222331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363265.

The product of its digits is 2592, while the sum is 25.

Adding to 131222331322 its reverse (223133222131), we get a palindrome (354355553453).

The spelling of 131222331322 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty-two".