42213243321313 has 8 divisors (see below), whose sum is σ = 42281634845736. Its totient is φ = 42144859699200.

The previous prime is 42213243321307. The next prime is 42213243321331. The reversal of 42213243321313 is 31312334231224.

It can be written as a sum of positive squares in 4 ways, for example, as 34534098471184 + 7679144850129 = 5876572^2 + 2771127^2 .

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 42213243321313 - 2²⁵ = 42213209766881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42213243321373) 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, 8764095 + ... + 12697867.

It is an arithmetic number, because the mean of its divisors is an integer number (5285204355717).

Almost surely, 2^{42213243321313} is an apocalyptic number.

It is an amenable number.

42213243321313 is a deficient number, since it is larger than the sum of its proper divisors (68391524423).

42213243321313 is a wasteful number, since it uses less digits than its factorization.

42213243321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951155.

The product of its digits is 62208, while the sum is 34.

Adding to 42213243321313 its reverse (31312334231224), we get a palindrome (73525577552537).

The spelling of 42213243321313 in words is "forty-two trillion, two hundred thirteen billion, two hundred forty-three million, three hundred twenty-one thousand, three hundred thirteen".