1331143421001 has 8 divisors (see below), whose sum is σ = 1774976034624. Its totient is φ = 887369877360.

The previous prime is 1331143420973. The next prime is 1331143421057. The reversal of 1331143421001 is 1001243411331.

It is a happy number.

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

It is not a de Polignac number, because 1331143421001 - 2²¹ = 1331141323849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331143421081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14714886 + ... + 14805071.

It is an arithmetic number, because the mean of its divisors is an integer number (221872004328).

Almost surely, 2^{1331143421001} is an apocalyptic number.

It is an amenable number.

1331143421001 is a deficient number, since it is larger than the sum of its proper divisors (443832613623).

1331143421001 is a wasteful number, since it uses less digits than its factorization.

1331143421001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29534991.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1331143421001 its reverse (1001243411331), we get a palindrome (2332386832332).

The spelling of 1331143421001 in words is "one trillion, three hundred thirty-one billion, one hundred forty-three million, four hundred twenty-one thousand, one".