131222320332 has 12 divisors (see below), whose sum is σ = 306185414136. Its totient is φ = 43740773440.

The previous prime is 131222320303. The next prime is 131222320337. The reversal of 131222320332 is 233023222131.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (131222320337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5467596669 + ... + 5467596692.

It is an arithmetic number, because the mean of its divisors is an integer number (25515451178).

Almost surely, 2^131222320332 is an apocalyptic number.

131222320332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131222320332 is an abundant number, since it is smaller than the sum of its proper divisors (174963093804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131222320332 is a wasteful number, since it uses less digits than its factorization.

131222320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935193368 (or 10935193366 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131222320332 its reverse (233023222131), we get a palindrome (364245542463).

The spelling of 131222320332 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred twenty thousand, three hundred thirty-two".