42102331005 has 48 divisors (see below), whose sum is σ = 78651419904. Its totient is φ = 19175667840.

The previous prime is 42102330989. The next prime is 42102331009. The reversal of 42102331005 is 50013320124.

It is not a de Polignac number, because 42102331005 - 2⁴ = 42102330989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102331009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93499 + ... + 304871.

It is an arithmetic number, because the mean of its divisors is an integer number (1638571248).

Almost surely, 2^42102331005 is an apocalyptic number.

It is an amenable number.

42102331005 is a deficient number, since it is larger than the sum of its proper divisors (36549088899).

42102331005 is a wasteful number, since it uses less digits than its factorization.

42102331005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211666 (or 211659 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 42102331005 its reverse (50013320124), we get a palindrome (92115651129).

The spelling of 42102331005 in words is "forty-two billion, one hundred two million, three hundred thirty-one thousand, five".