1420311003443 has 4 divisors (see below), whose sum is σ = 1424019387648. Its totient is φ = 1416602619240.

The previous prime is 1420311003439. The next prime is 1420311003493. The reversal of 1420311003443 is 3443001130241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420311003443 - 2² = 1420311003439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420311003493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854191528 + ... + 1854192293.

It is an arithmetic number, because the mean of its divisors is an integer number (356004846912).

Almost surely, 2^{1420311003443} is an apocalyptic number.

1420311003443 is a deficient number, since it is larger than the sum of its proper divisors (3708384205).

1420311003443 is an equidigital number, since it uses as much as digits as its factorization.

1420311003443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708384204.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1420311003443 its reverse (3443001130241), we get a palindrome (4863312133684).

The spelling of 1420311003443 in words is "one trillion, four hundred twenty billion, three hundred eleven million, three thousand, four hundred forty-three".