1431204041221 has 8 divisors (see below), whose sum is σ = 1529555063040. Its totient is φ = 1334426635968.

The previous prime is 1431204041161. The next prime is 1431204041251. The reversal of 1431204041221 is 1221404021341.

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 1431204041221 - 2¹³ = 1431204033029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431204041251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393402261 + ... + 393405898.

It is an arithmetic number, because the mean of its divisors is an integer number (191194382880).

Almost surely, 2^{1431204041221} is an apocalyptic number.

It is an amenable number.

1431204041221 is a deficient number, since it is larger than the sum of its proper divisors (98351021819).

1431204041221 is a wasteful number, since it uses less digits than its factorization.

1431204041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786808283.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1431204041221 its reverse (1221404021341), we get a palindrome (2652608062562).

The spelling of 1431204041221 in words is "one trillion, four hundred thirty-one billion, two hundred four million, forty-one thousand, two hundred twenty-one".