42100131422 has 16 divisors (see below), whose sum is σ = 63600643392. Its totient is φ = 20900436480.

The previous prime is 42100131383. The next prime is 42100131427. The reversal of 42100131422 is 22413100124.

It is a junction number, because it is equal to n+sod(n) for n = 42100131394 and 42100131403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42100131427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32843 + ... + 292025.

It is an arithmetic number, because the mean of its divisors is an integer number (3975040212).

Almost surely, 2^42100131422 is an apocalyptic number.

42100131422 is a deficient number, since it is larger than the sum of its proper divisors (21500511970).

42100131422 is a wasteful number, since it uses less digits than its factorization.

42100131422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259763.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 42100131422 its reverse (22413100124), we get a palindrome (64513231546).

The spelling of 42100131422 in words is "forty-two billion, one hundred million, one hundred thirty-one thousand, four hundred twenty-two".