42343032313 has 4 divisors (see below), whose sum is σ = 42417449460. Its totient is φ = 42268615168.

The previous prime is 42343032301. The next prime is 42343032371. The reversal of 42343032313 is 31323034324.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17468380224 + 24874652089 = 132168^2 + 157717^2 .

It is a cyclic number.

It is not a de Polignac number, because 42343032313 - 2¹⁷ = 42342901241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42343036313) 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, 37207720 + ... + 37208857.

It is an arithmetic number, because the mean of its divisors is an integer number (10604362365).

Almost surely, 2^42343032313 is an apocalyptic number.

It is an amenable number.

42343032313 is a deficient number, since it is larger than the sum of its proper divisors (74417147).

42343032313 is an equidigital number, since it uses as much as digits as its factorization.

42343032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74417146.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 42343032313 its reverse (31323034324), we get a palindrome (73666066637).

The spelling of 42343032313 in words is "forty-two billion, three hundred forty-three million, thirty-two thousand, three hundred thirteen".