421333445131 has 8 divisors (see below), whose sum is σ = 431618518800. Its totient is φ = 411048783360.

The previous prime is 421333445119. The next prime is 421333445149. The reversal of 421333445131 is 131544333124.

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

It is a cyclic number.

It is not a de Polignac number, because 421333445131 - 2⁷ = 421333445003 is a prime.

It is a super-2 number, since 2×421333445131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421333445191) 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, 3423675 + ... + 3544603.

It is an arithmetic number, because the mean of its divisors is an integer number (53952314850).

Almost surely, 2^421333445131 is an apocalyptic number.

421333445131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

421333445131 is a deficient number, since it is larger than the sum of its proper divisors (10285073669).

421333445131 is a wasteful number, since it uses less digits than its factorization.

421333445131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205949.

The product of its digits is 51840, while the sum is 34.

Adding to 421333445131 its reverse (131544333124), we get a palindrome (552877778255).

The spelling of 421333445131 in words is "four hundred twenty-one billion, three hundred thirty-three million, four hundred forty-five thousand, one hundred thirty-one".