42031220413 has 8 divisors (see below), whose sum is σ = 51730732928. Its totient is φ = 33255471024.

The previous prime is 42031220377. The next prime is 42031220417. The reversal of 42031220413 is 31402213024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42031220413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031220417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230940681 + ... + 230940862.

It is an arithmetic number, because the mean of its divisors is an integer number (6466341616).

Almost surely, 2^42031220413 is an apocalyptic number.

It is an amenable number.

42031220413 is a deficient number, since it is larger than the sum of its proper divisors (9699512515).

42031220413 is a wasteful number, since it uses less digits than its factorization.

42031220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461881563.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42031220413 its reverse (31402213024), we get a palindrome (73433433437).

The spelling of 42031220413 in words is "forty-two billion, thirty-one million, two hundred twenty thousand, four hundred thirteen".