42321113 has 12 divisors (see below), whose sum is σ = 45445680. Its totient is φ = 39394296.

The previous prime is 42321101. The next prime is 42321133. The reversal of 42321113 is 31112324.

It is not a de Polignac number, because 42321113 - 2⁶ = 42321049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42321091 and 42321100.

It is not an unprimeable number, because it can be changed into a prime (42321133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20306 + ... + 22292.

It is an arithmetic number, because the mean of its divisors is an integer number (3787140).

Almost surely, 2^42321113 is an apocalyptic number.

It is an amenable number.

42321113 is a deficient number, since it is larger than the sum of its proper divisors (3124567).

42321113 is a wasteful number, since it uses less digits than its factorization.

42321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2065 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 42321113 is about 6505.4679309024. The cubic root of 42321113 is about 348.4862872814.

Adding to 42321113 its reverse (31112324), we get a palindrome (73433437).

The spelling of 42321113 in words is "forty-two million, three hundred twenty-one thousand, one hundred thirteen".