43420102001431 has 8 divisors (see below), whose sum is σ = 46133306019360. Its totient is φ = 40865978349664.

The previous prime is 43420102001273. The next prime is 43420102001449. The reversal of 43420102001431 is 13410020102434.

It is a de Polignac number, because none of the positive numbers 2^k-43420102001431 is a prime.

It is a super-3 number, since 3×43420102001431³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43420102001396 and 43420102001405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420102001131) 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, 4418894131 + ... + 4418903956.

It is an arithmetic number, because the mean of its divisors is an integer number (5766663252420).

Almost surely, 2^{43420102001431} is an apocalyptic number.

43420102001431 is a deficient number, since it is larger than the sum of its proper divisors (2713204017929).

43420102001431 is an frugal number, since it uses more digits than its factorization.

43420102001431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8837798138 (or 8837798104 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 43420102001431 its reverse (13410020102434), we get a palindrome (56830122103865).

The spelling of 43420102001431 in words is "forty-three trillion, four hundred twenty billion, one hundred two million, one thousand, four hundred thirty-one".