1431404222321 has 4 divisors (see below), whose sum is σ = 1431406708452. Its totient is φ = 1431401736192.

The previous prime is 1431404222243. The next prime is 1431404222351. The reversal of 1431404222321 is 1232224041341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 410675905600 + 1020728316721 = 640840^2 + 1010311^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431404222321 - 2¹⁴ = 1431404205937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431404222351) 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, 115505 + ... + 1695921.

It is an arithmetic number, because the mean of its divisors is an integer number (357851677113).

Almost surely, 2^{1431404222321} is an apocalyptic number.

It is an amenable number.

1431404222321 is a deficient number, since it is larger than the sum of its proper divisors (2486131).

1431404222321 is an equidigital number, since it uses as much as digits as its factorization.

1431404222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486130.

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

Adding to 1431404222321 its reverse (1232224041341), we get a palindrome (2663628263662).

The spelling of 1431404222321 in words is "one trillion, four hundred thirty-one billion, four hundred four million, two hundred twenty-two thousand, three hundred twenty-one".