322404221010431 has 4 divisors (see below), whose sum is σ = 368461966869072. Its totient is φ = 276346475151792.

The previous prime is 322404221010353. The next prime is 322404221010497. The reversal of 322404221010431 is 134010122404223.

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 322404221010431 - 2²⁶ = 322404153901567 is a prime.

It is a super-2 number, since 2×322404221010431² (a number of 30 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 = 322404221010394 and 322404221010403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322404221010031) 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, 23028872929310 + ... + 23028872929323.

It is an arithmetic number, because the mean of its divisors is an integer number (92115491717268).

Almost surely, 2^{322404221010431} is an apocalyptic number.

322404221010431 is a deficient number, since it is larger than the sum of its proper divisors (46057745858641).

322404221010431 is an equidigital number, since it uses as much as digits as its factorization.

322404221010431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46057745858640.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 322404221010431 its reverse (134010122404223), we get a palindrome (456414343414654).

The spelling of 322404221010431 in words is "three hundred twenty-two trillion, four hundred four billion, two hundred twenty-one million, ten thousand, four hundred thirty-one".