42104102331 has 4 divisors (see below), whose sum is σ = 56138803112. Its totient is φ = 28069401552.

The previous prime is 42104102321. The next prime is 42104102347. The reversal of 42104102331 is 13320140124.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42104102331 - 2²⁷ = 41969884603 is a prime.

It is a super-2 number, since 2×42104102331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42104102298 and 42104102307.

It is not an unprimeable number, because it can be changed into a prime (42104102321) 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, 7017350386 + ... + 7017350391.

It is an arithmetic number, because the mean of its divisors is an integer number (14034700778).

Almost surely, 2^42104102331 is an apocalyptic number.

42104102331 is a deficient number, since it is larger than the sum of its proper divisors (14034700781).

42104102331 is a wasteful number, since it uses less digits than its factorization.

42104102331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034700780.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42104102331 its reverse (13320140124), we get a palindrome (55424242455).

The spelling of 42104102331 in words is "forty-two billion, one hundred four million, one hundred two thousand, three hundred thirty-one".