131331313222 has 16 divisors (see below), whose sum is σ = 208598507712. Its totient is φ = 61798976640.

The previous prime is 131331313219. The next prime is 131331313303. The reversal of 131331313222 is 222313133131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446947 + ... + 680017.

It is an arithmetic number, because the mean of its divisors is an integer number (13037406732).

Almost surely, 2^131331313222 is an apocalyptic number.

131331313222 is a deficient number, since it is larger than the sum of its proper divisors (77267194490).

131331313222 is a wasteful number, since it uses less digits than its factorization.

131331313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249663.

The product of its digits is 1944, while the sum is 25.

Adding to 131331313222 its reverse (222313133131), we get a palindrome (353644446353).

The spelling of 131331313222 in words is "one hundred thirty-one billion, three hundred thirty-one million, three hundred thirteen thousand, two hundred twenty-two".