421031710241 has 4 divisors (see below), whose sum is σ = 421350916800. Its totient is φ = 420712503684.

The previous prime is 421031710217. The next prime is 421031710261. The reversal of 421031710241 is 142017130124.

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-421031710241 is a prime.

It is a super-2 number, since 2×421031710241² (a number of 24 digits) contains 22 as substring.

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 421031710241.

It is not an unprimeable number, because it can be changed into a prime (421031710261) 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, 159601301 + ... + 159603938.

It is an arithmetic number, because the mean of its divisors is an integer number (105337729200).

Almost surely, 2^421031710241 is an apocalyptic number.

It is an amenable number.

421031710241 is a deficient number, since it is larger than the sum of its proper divisors (319206559).

421031710241 is a wasteful number, since it uses less digits than its factorization.

421031710241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319206558.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 421031710241 its reverse (142017130124), we get a palindrome (563048840365).

The spelling of 421031710241 in words is "four hundred twenty-one billion, thirty-one million, seven hundred ten thousand, two hundred forty-one".