4320001203431 has 4 divisors (see below), whose sum is σ = 4468966762200. Its totient is φ = 4171035644664.

The previous prime is 4320001203379. The next prime is 4320001203437. The reversal of 4320001203431 is 1343021000234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4320001203431 is a prime.

It is a super-2 number, since 2×4320001203431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4320001203397 and 4320001203406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320001203437) 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, 74482779341 + ... + 74482779398.

It is an arithmetic number, because the mean of its divisors is an integer number (1117241690550).

Almost surely, 2^{4320001203431} is an apocalyptic number.

4320001203431 is a deficient number, since it is larger than the sum of its proper divisors (148965558769).

4320001203431 is a wasteful number, since it uses less digits than its factorization.

4320001203431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148965558768.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 4320001203431 its reverse (1343021000234), we get a palindrome (5663022203665).

The spelling of 4320001203431 in words is "four trillion, three hundred twenty billion, one million, two hundred three thousand, four hundred thirty-one".