4002321010431 has 16 divisors (see below), whose sum is σ = 5361863954048. Its totient is φ = 2655496720800.

The previous prime is 4002321010307. The next prime is 4002321010433. The reversal of 4002321010431 is 1340101232004.

It is not a de Polignac number, because 4002321010431 - 2²¹ = 4002318913279 is a prime.

It is a super-2 number, since 2×4002321010431² (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 = 4002321010398 and 4002321010407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002321010433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34299096 + ... + 34415586.

It is an arithmetic number, because the mean of its divisors is an integer number (335116497128).

Almost surely, 2^{4002321010431} is an apocalyptic number.

4002321010431 is a deficient number, since it is larger than the sum of its proper divisors (1359542943617).

4002321010431 is a wasteful number, since it uses less digits than its factorization.

4002321010431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170982.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 4002321010431 its reverse (1340101232004), we get a palindrome (5342422242435).

The spelling of 4002321010431 in words is "four trillion, two billion, three hundred twenty-one million, ten thousand, four hundred thirty-one".