1003111320343 has 4 divisors (see below), whose sum is σ = 1094303258568. Its totient is φ = 911919382120.

The previous prime is 1003111320311. The next prime is 1003111320353. The reversal of 1003111320343 is 3430231113001.

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 1003111320343 - 2⁵ = 1003111320311 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 (1003111320353) 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, 45595969096 + ... + 45595969117.

It is an arithmetic number, because the mean of its divisors is an integer number (273575814642).

Almost surely, 2^{1003111320343} is an apocalyptic number.

1003111320343 is a deficient number, since it is larger than the sum of its proper divisors (91191938225).

1003111320343 is an equidigital number, since it uses as much as digits as its factorization.

1003111320343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91191938224.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1003111320343 its reverse (3430231113001), we get a palindrome (4433342433344).

The spelling of 1003111320343 in words is "one trillion, three billion, one hundred eleven million, three hundred twenty thousand, three hundred forty-three".