420113030531043 has 4 divisors (see below), whose sum is σ = 560150707374728. Its totient is φ = 280075353687360.

The previous prime is 420113030530927. The next prime is 420113030531099. The reversal of 420113030531043 is 340135030311024.

It is a happy number.

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

It is not a de Polignac number, because 420113030531043 - 2¹⁰ = 420113030530019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420113030531043.

It is not an unprimeable number, because it can be changed into a prime (420113030531143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70018838421838 + ... + 70018838421843.

It is an arithmetic number, because the mean of its divisors is an integer number (140037676843682).

Almost surely, 2^{420113030531043} is an apocalyptic number.

420113030531043 is a deficient number, since it is larger than the sum of its proper divisors (140037676843685).

420113030531043 is a wasteful number, since it uses less digits than its factorization.

420113030531043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140037676843684.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 420113030531043 its reverse (340135030311024), we get a palindrome (760248060842067).

The spelling of 420113030531043 in words is "four hundred twenty trillion, one hundred thirteen billion, thirty million, five hundred thirty-one thousand, forty-three".