42031344413 has 8 divisors (see below), whose sum is σ = 43160805240. Its totient is φ = 40916090880.

The previous prime is 42031344403. The next prime is 42031344427. The reversal of 42031344413 is 31444313024.

It is a happy number.

42031344413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6227892889 + 35803451524 = 78917^2 + 189218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42031344413 - 2¹⁴ = 42031328029 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 (42031344403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3545828 + ... + 3557661.

It is an arithmetic number, because the mean of its divisors is an integer number (5395100655).

Almost surely, 2^42031344413 is an apocalyptic number.

It is an amenable number.

42031344413 is a deficient number, since it is larger than the sum of its proper divisors (1129460827).

42031344413 is an equidigital number, since it uses as much as digits as its factorization.

42031344413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103647.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42031344413 its reverse (31444313024), we get a palindrome (73475657437).

The spelling of 42031344413 in words is "forty-two billion, thirty-one million, three hundred forty-four thousand, four hundred thirteen".