1003103103331 has 4 divisors (see below), whose sum is σ = 1146403546672. Its totient is φ = 859802659992.

The previous prime is 1003103103281. The next prime is 1003103103341. The reversal of 1003103103331 is 1333013013001.

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 1003103103331 - 2¹³ = 1003103095139 is a prime.

It is a super-2 number, since 2×1003103103331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003103103299 and 1003103103308.

It is not an unprimeable number, because it can be changed into a prime (1003103103341) 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, 71650221660 + ... + 71650221673.

It is an arithmetic number, because the mean of its divisors is an integer number (286600886668).

Almost surely, 2^{1003103103331} is an apocalyptic number.

1003103103331 is a deficient number, since it is larger than the sum of its proper divisors (143300443341).

1003103103331 is an equidigital number, since it uses as much as digits as its factorization.

1003103103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143300443340.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 1003103103331 its reverse (1333013013001), we get a palindrome (2336116116332).

The spelling of 1003103103331 in words is "one trillion, three billion, one hundred three million, one hundred three thousand, three hundred thirty-one".