231424451 has 8 divisors (see below), whose sum is σ = 245170800. Its totient is φ = 217692928.

The previous prime is 231424441. The next prime is 231424477. The reversal of 231424451 is 154424132.

231424451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231424451 - 2¹⁸ = 231162307 is a prime.

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 231424451.

It is not an unprimeable number, because it can be changed into a prime (231424411) 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, 56660 + ... + 60606.

It is an arithmetic number, because the mean of its divisors is an integer number (30646350).

Almost surely, 2^231424451 is an apocalyptic number.

231424451 is a deficient number, since it is larger than the sum of its proper divisors (13746349).

231424451 is a wasteful number, since it uses less digits than its factorization.

231424451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413.

The product of its digits is 3840, while the sum is 26.

The square root of 231424451 is about 15212.6411579318. The cubic root of 231424451 is about 613.9548211301.

Adding to 231424451 its reverse (154424132), we get a palindrome (385848583).

The spelling of 231424451 in words is "two hundred thirty-one million, four hundred twenty-four thousand, four hundred fifty-one".