42351113 has 4 divisors (see below), whose sum is σ = 48401280. Its totient is φ = 36300948.

The previous prime is 42351109. The next prime is 42351139. The reversal of 42351113 is 31115324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42351113 - 2² = 42351109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42351193) 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, 3025073 + ... + 3025086.

It is an arithmetic number, because the mean of its divisors is an integer number (12100320).

Almost surely, 2^42351113 is an apocalyptic number.

It is an amenable number.

42351113 is a deficient number, since it is larger than the sum of its proper divisors (6050167).

42351113 is an equidigital number, since it uses as much as digits as its factorization.

42351113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050166.

The product of its digits is 360, while the sum is 20.

The square root of 42351113 is about 6507.7732750919. The cubic root of 42351113 is about 348.5686111977.

Adding to 42351113 its reverse (31115324), we get a palindrome (73466437).

The spelling of 42351113 in words is "forty-two million, three hundred fifty-one thousand, one hundred thirteen".