421314111122431 has 4 divisors (see below), whose sum is σ = 421314266414664. Its totient is φ = 421313955830200.

The previous prime is 421314111122393. The next prime is 421314111122447. The reversal of 421314111122431 is 134221111413124.

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

It is a cyclic number.

It is not a de Polignac number, because 421314111122431 - 2⁹ = 421314111121919 is a prime.

It is a super-2 number, since 2×421314111122431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421314111122393 and 421314111122402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421314111123431) 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, 73502860 + ... + 79027201.

It is an arithmetic number, because the mean of its divisors is an integer number (105328566603666).

Almost surely, 2^{421314111122431} is an apocalyptic number.

421314111122431 is a deficient number, since it is larger than the sum of its proper divisors (155292233).

421314111122431 is a wasteful number, since it uses less digits than its factorization.

421314111122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155292232.

The product of its digits is 4608, while the sum is 31.

Adding to 421314111122431 its reverse (134221111413124), we get a palindrome (555535222535555).

The spelling of 421314111122431 in words is "four hundred twenty-one trillion, three hundred fourteen billion, one hundred eleven million, one hundred twenty-two thousand, four hundred thirty-one".