1431144214221 has 32 divisors (see below), whose sum is σ = 1958056069248. Its totient is φ = 929495024640.

The previous prime is 1431144214217. The next prime is 1431144214259. The reversal of 1431144214221 is 1224124411341.

It is not a de Polignac number, because 1431144214221 - 2² = 1431144214217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431144214321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11042025 + ... + 11170881.

It is an arithmetic number, because the mean of its divisors is an integer number (61189252164).

Almost surely, 2^{1431144214221} is an apocalyptic number.

It is an amenable number.

1431144214221 is a deficient number, since it is larger than the sum of its proper divisors (526911855027).

1431144214221 is a wasteful number, since it uses less digits than its factorization.

1431144214221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129501.

The product of its digits is 6144, while the sum is 30.

Adding to 1431144214221 its reverse (1224124411341), we get a palindrome (2655268625562).

The spelling of 1431144214221 in words is "one trillion, four hundred thirty-one billion, one hundred forty-four million, two hundred fourteen thousand, two hundred twenty-one".