421314231 has 8 divisors (see below), whose sum is σ = 604964080. Its totient is φ = 259270272.

The previous prime is 421314217. The next prime is 421314263. The reversal of 421314231 is 132413124.

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

It is not a de Polignac number, because 421314231 - 2⁵ = 421314199 is a prime.

It is a super-2 number, since 2×421314231² = 355011362486242722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421314198 and 421314207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421304231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5401426 + ... + 5401503.

It is an arithmetic number, because the mean of its divisors is an integer number (75620510).

Almost surely, 2^421314231 is an apocalyptic number.

421314231 is a deficient number, since it is larger than the sum of its proper divisors (183649849).

421314231 is a wasteful number, since it uses less digits than its factorization.

421314231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802945.

The product of its digits is 576, while the sum is 21.

The square root of 421314231 is about 20525.9404413050. The cubic root of 421314231 is about 749.6675450979.

Adding to 421314231 its reverse (132413124), we get a palindrome (553727355).

The spelling of 421314231 in words is "four hundred twenty-one million, three hundred fourteen thousand, two hundred thirty-one".