1003313113333 has 4 divisors (see below), whose sum is σ = 1003388899788. Its totient is φ = 1003237326880.

The previous prime is 1003313113321. The next prime is 1003313113337. The reversal of 1003313113333 is 3333113133001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 779941558449 + 223371554884 = 883143^2 + 472622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003313113333 - 2⁹ = 1003313112821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003313113298 and 1003313113307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003313113337) 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, 37873366 + ... + 37899847.

It is an arithmetic number, because the mean of its divisors is an integer number (250847224947).

Almost surely, 2^{1003313113333} is an apocalyptic number.

It is an amenable number.

1003313113333 is a deficient number, since it is larger than the sum of its proper divisors (75786455).

1003313113333 is an equidigital number, since it uses as much as digits as its factorization.

1003313113333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75786454.

The product of its (nonzero) digits is 2187, while the sum is 25.

Adding to 1003313113333 its reverse (3333113133001), we get a palindrome (4336426246334).

The spelling of 1003313113333 in words is "one trillion, three billion, three hundred thirteen million, one hundred thirteen thousand, three hundred thirty-three".