131203233223122 has 8 divisors (see below), whose sum is σ = 262406466446256. Its totient is φ = 43734411074372.

The previous prime is 131203233223121. The next prime is 131203233223133. The reversal of 131203233223122 is 221322332302131.

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

131203233223122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 131203233223122.

It is not an unprimeable number, because it can be changed into a prime (131203233223121) 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, 10933602768588 + ... + 10933602768599.

It is an arithmetic number, because the mean of its divisors is an integer number (32800808305782).

Almost surely, 2^{131203233223122} is an apocalyptic number.

131203233223122 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.

131203233223122 is a wasteful number, since it uses less digits than its factorization.

131203233223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21867205537192.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 131203233223122 its reverse (221322332302131), we get a palindrome (352525565525253).

The spelling of 131203233223122 in words is "one hundred thirty-one trillion, two hundred three billion, two hundred thirty-three million, two hundred twenty-three thousand, one hundred twenty-two".