131223320022 has 8 divisors (see below), whose sum is σ = 262446640056. Its totient is φ = 43741106672.

The previous prime is 131223319993. The next prime is 131223320143. The reversal of 131223320022 is 220023322131.

It is a happy number.

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

131223320022 is an admirable number.

It is a congruent number.

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, 10935276663 + ... + 10935276674.

It is an arithmetic number, because the mean of its divisors is an integer number (32805830007).

Almost surely, 2^131223320022 is an apocalyptic number.

131223320022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131223320022 is a wasteful number, since it uses less digits than its factorization.

131223320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21870553342.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131223320022 its reverse (220023322131), we get a palindrome (351246642153).

The spelling of 131223320022 in words is "one hundred thirty-one billion, two hundred twenty-three million, three hundred twenty thousand, twenty-two".