1331013120143 has 8 divisors (see below), whose sum is σ = 1524281382912. Its totient is φ = 1138525740216.

The previous prime is 1331013120139. The next prime is 1331013120161. The reversal of 1331013120143 is 3410213101331.

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 1331013120143 - 2² = 1331013120139 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 (1331013120643) 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, 195217055 + ... + 195223872.

It is an arithmetic number, because the mean of its divisors is an integer number (190535172864).

Almost surely, 2^{1331013120143} is an apocalyptic number.

1331013120143 is a deficient number, since it is larger than the sum of its proper divisors (193268262769).

1331013120143 is an equidigital number, since it uses as much as digits as its factorization.

1331013120143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390441421.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1331013120143 its reverse (3410213101331), we get a palindrome (4741226221474).

The spelling of 1331013120143 in words is "one trillion, three hundred thirty-one billion, thirteen million, one hundred twenty thousand, one hundred forty-three".