131313320222 has 24 divisors (see below), whose sum is σ = 229479341976. Its totient is φ = 56190927408.

The previous prime is 131313320221. The next prime is 131313320273. The reversal of 131313320222 is 222023313131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 961988 + ... + 1089975.

It is an arithmetic number, because the mean of its divisors is an integer number (9561639249).

Almost surely, 2^131313320222 is an apocalyptic number.

131313320222 is a deficient number, since it is larger than the sum of its proper divisors (98166021754).

131313320222 is a wasteful number, since it uses less digits than its factorization.

131313320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052632 (or 2052625 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 131313320222 its reverse (222023313131), we get a palindrome (353336633353).

The spelling of 131313320222 in words is "one hundred thirty-one billion, three hundred thirteen million, three hundred twenty thousand, two hundred twenty-two".