5421322340431 has 4 divisors (see below), whose sum is σ = 5740223654592. Its totient is φ = 5102421026272.

The previous prime is 5421322340381. The next prime is 5421322340453. The reversal of 5421322340431 is 1340432231245.

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 5421322340431 - 2⁷ = 5421322340303 is a prime.

It is a super-2 number, since 2×5421322340431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421322341431) 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, 159450657055 + ... + 159450657088.

It is an arithmetic number, because the mean of its divisors is an integer number (1435055913648).

Almost surely, 2^{5421322340431} is an apocalyptic number.

5421322340431 is a deficient number, since it is larger than the sum of its proper divisors (318901314161).

5421322340431 is a wasteful number, since it uses less digits than its factorization.

5421322340431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318901314160.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 5421322340431 its reverse (1340432231245), we get a palindrome (6761754571676).

The spelling of 5421322340431 in words is "five trillion, four hundred twenty-one billion, three hundred twenty-two million, three hundred forty thousand, four hundred thirty-one".