420443431030113 has 4 divisors (see below), whose sum is σ = 560591241373488. Its totient is φ = 280295620686740.

The previous prime is 420443431030031. The next prime is 420443431030127. The reversal of 420443431030113 is 311030134344024.

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-420443431030113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420443431020113) 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, 70073905171683 + ... + 70073905171688.

It is an arithmetic number, because the mean of its divisors is an integer number (140147810343372).

Almost surely, 2^{420443431030113} is an apocalyptic number.

It is an amenable number.

420443431030113 is a deficient number, since it is larger than the sum of its proper divisors (140147810343375).

420443431030113 is a wasteful number, since it uses less digits than its factorization.

420443431030113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140147810343374.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 420443431030113 its reverse (311030134344024), we get a palindrome (731473565374137).

The spelling of 420443431030113 in words is "four hundred twenty trillion, four hundred forty-three billion, four hundred thirty-one million, thirty thousand, one hundred thirteen".