1011330103 has 4 divisors (see below), whose sum is σ = 1155805840. Its totient is φ = 866854368.

The previous prime is 1011330097. The next prime is 1011330121. The reversal of 1011330103 is 3010331101.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011330103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011330703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72237858 + ... + 72237871.

It is an arithmetic number, because the mean of its divisors is an integer number (288951460).

Almost surely, 2^1011330103 is an apocalyptic number.

1011330103 is a deficient number, since it is larger than the sum of its proper divisors (144475737).

1011330103 is an equidigital number, since it uses as much as digits as its factorization.

1011330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144475736.

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

The square root of 1011330103 is about 31801.4166822801. The cubic root of 1011330103 is about 1003.7625266384.

Adding to 1011330103 its reverse (3010331101), we get a palindrome (4021661204).

The spelling of 1011330103 in words is "one billion, eleven million, three hundred thirty thousand, one hundred three".