42431042213 has 24 divisors (see below), whose sum is σ = 50327516160. Its totient is φ = 35658752640.

The previous prime is 42431042111. The next prime is 42431042219. The reversal of 42431042213 is 31224013424.

It is not a de Polignac number, because 42431042213 - 2²² = 42426847909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431042219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1088093 + ... + 1126413.

It is an arithmetic number, because the mean of its divisors is an integer number (2096979840).

Almost surely, 2^42431042213 is an apocalyptic number.

It is an amenable number.

42431042213 is a deficient number, since it is larger than the sum of its proper divisors (7896473947).

42431042213 is a wasteful number, since it uses less digits than its factorization.

42431042213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38777 (or 38770 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42431042213 its reverse (31224013424), we get a palindrome (73655055637).

The spelling of 42431042213 in words is "forty-two billion, four hundred thirty-one million, forty-two thousand, two hundred thirteen".