103011031003 has 4 divisors (see below), whose sum is σ = 105795112960. Its totient is φ = 100226949048.

The previous prime is 103011031001. The next prime is 103011031031. The reversal of 103011031003 is 300130110301.

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 103011031003 - 2¹ = 103011031001 is a prime.

It is a super-2 number, since 2×103011031003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103011031001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392040923 + ... + 1392040996.

It is an arithmetic number, because the mean of its divisors is an integer number (26448778240).

Almost surely, 2^103011031003 is an apocalyptic number.

103011031003 is a deficient number, since it is larger than the sum of its proper divisors (2784081957).

103011031003 is an equidigital number, since it uses as much as digits as its factorization.

103011031003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784081956.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 103011031003 its reverse (300130110301), we get a palindrome (403141141304).

The spelling of 103011031003 in words is "one hundred three billion, eleven million, thirty-one thousand, three".