42352331 has 4 divisors (see below), whose sum is σ = 48402672. Its totient is φ = 36301992.

The previous prime is 42352319. The next prime is 42352339. The reversal of 42352331 is 13325324.

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

It is a cyclic number.

It is not a de Polignac number, because 42352331 - 2¹⁰ = 42351307 is a prime.

It is a super-2 number, since 2×42352331² = 3587439882267122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42352297 and 42352306.

It is not an unprimeable number, because it can be changed into a prime (42352339) 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, 3025160 + ... + 3025173.

It is an arithmetic number, because the mean of its divisors is an integer number (12100668).

Almost surely, 2^42352331 is an apocalyptic number.

42352331 is a deficient number, since it is larger than the sum of its proper divisors (6050341).

42352331 is an equidigital number, since it uses as much as digits as its factorization.

42352331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050340.

The product of its digits is 2160, while the sum is 23.

The square root of 42352331 is about 6507.8668548150. The cubic root of 42352331 is about 348.5719527273.

Adding to 42352331 its reverse (13325324), we get a palindrome (55677655).

The spelling of 42352331 in words is "forty-two million, three hundred fifty-two thousand, three hundred thirty-one".