1431223205201 has 8 divisors (see below), whose sum is σ = 1449745066440. Its totient is φ = 1412755581952.

The previous prime is 1431223205177. The next prime is 1431223205231. The reversal of 1431223205201 is 1025023221341.

It can be written as a sum of positive squares in 4 ways, for example, as 280183896976 + 1151039308225 = 529324^2 + 1072865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1431223205201 - 2³⁸ = 1156345298257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431223205231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13506380 + ... + 13611933.

It is an arithmetic number, because the mean of its divisors is an integer number (181218133305).

Almost surely, 2^{1431223205201} is an apocalyptic number.

It is an amenable number.

1431223205201 is a deficient number, since it is larger than the sum of its proper divisors (18521861239).

1431223205201 is an equidigital number, since it uses as much as digits as its factorization.

1431223205201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27118995.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1431223205201 its reverse (1025023221341), we get a palindrome (2456246426542).

The spelling of 1431223205201 in words is "one trillion, four hundred thirty-one billion, two hundred twenty-three million, two hundred five thousand, two hundred one".