42434220232213 has 4 divisors (see below), whose sum is σ = 42688317359520. Its totient is φ = 42180123104908.

The previous prime is 42434220232189. The next prime is 42434220232259. The reversal of 42434220232213 is 31223202243424.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-42434220232213 is a prime.

It is a super-2 number, since 2×42434220232213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434220232513) 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, 127048563403 + ... + 127048563736.

It is an arithmetic number, because the mean of its divisors is an integer number (10672079339880).

Almost surely, 2^{42434220232213} is an apocalyptic number.

It is an amenable number.

42434220232213 is a deficient number, since it is larger than the sum of its proper divisors (254097127307).

42434220232213 is a wasteful number, since it uses less digits than its factorization.

42434220232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254097127306.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 42434220232213 its reverse (31223202243424), we get a palindrome (73657422475637).

The spelling of 42434220232213 in words is "forty-two trillion, four hundred thirty-four billion, two hundred twenty million, two hundred thirty-two thousand, two hundred thirteen".