42100431404043 has 8 divisors (see below), whose sum is σ = 56139248056528. Its totient is φ = 28064284510464.

The previous prime is 42100431404041. The next prime is 42100431404069. The reversal of 42100431404043 is 34040413400124.

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

It is not a de Polignac number, because 42100431404043 - 2¹ = 42100431404041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42100431404043.

It is not an unprimeable number, because it can be changed into a prime (42100431404041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667402930 + ... + 667466007.

It is an arithmetic number, because the mean of its divisors is an integer number (7017406007066).

Almost surely, 2^{42100431404043} is an apocalyptic number.

42100431404043 is a deficient number, since it is larger than the sum of its proper divisors (14038816652485).

42100431404043 is a wasteful number, since it uses less digits than its factorization.

42100431404043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334879453.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 42100431404043 its reverse (34040413400124), we get a palindrome (76140844804167).

The spelling of 42100431404043 in words is "forty-two trillion, one hundred billion, four hundred thirty-one million, four hundred four thousand, forty-three".