4320624431 has 4 divisors (see below), whose sum is σ = 4351708200. Its totient is φ = 4289540664.

The previous prime is 4320624419. The next prime is 4320624461. The reversal of 4320624431 is 1344260234.

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 4320624431 - 2¹⁸ = 4320362287 is a prime.

It is a super-2 number, since 2×4320624431² = 37335590947508147522, 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 = 4320624394 and 4320624403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320624401) 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, 15541676 + ... + 15541953.

It is an arithmetic number, because the mean of its divisors is an integer number (1087927050).

Almost surely, 2^4320624431 is an apocalyptic number.

4320624431 is a deficient number, since it is larger than the sum of its proper divisors (31083769).

4320624431 is a wasteful number, since it uses less digits than its factorization.

4320624431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31083768.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 4320624431 is about 65731.4569365384. The cubic root of 4320624431 is about 1628.7290368480.

Adding to 4320624431 its reverse (1344260234), we get a palindrome (5664884665).

The spelling of 4320624431 in words is "four billion, three hundred twenty million, six hundred twenty-four thousand, four hundred thirty-one".