3831622122138 has 16 divisors (see below), whose sum is σ = 7666648644576. Its totient is φ = 1276639974000.

The previous prime is 3831622122121. The next prime is 3831622122143. The reversal of 3831622122138 is 8312212261383.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3831622122138.

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, 141835381 + ... + 141862392.

It is an arithmetic number, because the mean of its divisors is an integer number (479165540286).

Almost surely, 2^{3831622122138} is an apocalyptic number.

3831622122138 is an abundant number, since it is smaller than the sum of its proper divisors (3835026522438).

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

3831622122138 is a wasteful number, since it uses less digits than its factorization.

3831622122138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283700029.

The product of its digits is 165888, while the sum is 42.

The spelling of 3831622122138 in words is "three trillion, eight hundred thirty-one billion, six hundred twenty-two million, one hundred twenty-two thousand, one hundred thirty-eight".