421314521231 has 8 divisors (see below), whose sum is σ = 435869834400. Its totient is φ = 406761023200.

The previous prime is 421314521213. The next prime is 421314521267. The reversal of 421314521231 is 132125413124.

It is a happy number.

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 421314521231 - 2³⁸ = 146436614287 is a prime.

It is a super-2 number, since 2×421314521231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421314521194 and 421314521203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421314521731) 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, 27110 + ... + 918348.

It is an arithmetic number, because the mean of its divisors is an integer number (54483729300).

Almost surely, 2^421314521231 is an apocalyptic number.

421314521231 is a deficient number, since it is larger than the sum of its proper divisors (14555313169).

421314521231 is a wasteful number, since it uses less digits than its factorization.

421314521231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907569.

The product of its digits is 5760, while the sum is 29.

Adding to 421314521231 its reverse (132125413124), we get a palindrome (553439934355).

The spelling of 421314521231 in words is "four hundred twenty-one billion, three hundred fourteen million, five hundred twenty-one thousand, two hundred thirty-one".