4431213100431 has 48 divisors (see below), whose sum is σ = 7550140066560. Its totient is φ = 2477994624000.

The previous prime is 4431213100429. The next prime is 4431213100463. The reversal of 4431213100431 is 1340013121344.

4431213100431 is a `hidden beast` number, since 4 + 4 + 3 + 1 + 213 + 10 + 0 + 431 = 666.

It is not a de Polignac number, because 4431213100431 - 2¹ = 4431213100429 is a prime.

It is a super-2 number, since 2×4431213100431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4431213100395 and 4431213100404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431213100421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38353695 + ... + 38469056.

It is an arithmetic number, because the mean of its divisors is an integer number (157294584720).

Almost surely, 2^{4431213100431} is an apocalyptic number.

4431213100431 is a deficient number, since it is larger than the sum of its proper divisors (3118926966129).

4431213100431 is a wasteful number, since it uses less digits than its factorization.

4431213100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76822816 (or 76822813 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 4431213100431 its reverse (1340013121344), we get a palindrome (5771226221775).

The spelling of 4431213100431 in words is "four trillion, four hundred thirty-one billion, two hundred thirteen million, one hundred thousand, four hundred thirty-one".