1431431221441 has 16 divisors (see below), whose sum is σ = 1626422707840. Its totient is φ = 1248886874880.

The previous prime is 1431431221361. The next prime is 1431431221453. The reversal of 1431431221441 is 1441221341341.

It is a cyclic number.

It is not a de Polignac number, because 1431431221441 - 2³¹ = 1429283737793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431431224441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6585045 + ... + 6798946.

It is an arithmetic number, because the mean of its divisors is an integer number (101651419240).

Almost surely, 2^{1431431221441} is an apocalyptic number.

It is an amenable number.

1431431221441 is a deficient number, since it is larger than the sum of its proper divisors (194991486399).

1431431221441 is a wasteful number, since it uses less digits than its factorization.

1431431221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13384456.

The product of its digits is 9216, while the sum is 31.

Adding to 1431431221441 its reverse (1441221341341), we get a palindrome (2872652562782).

The spelling of 1431431221441 in words is "one trillion, four hundred thirty-one billion, four hundred thirty-one million, two hundred twenty-one thousand, four hundred forty-one".