1030403343103 has 4 divisors (see below), whose sum is σ = 1091015304480. Its totient is φ = 969791381728.

The previous prime is 1030403343077. The next prime is 1030403343121. The reversal of 1030403343103 is 3013433040301.

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-1030403343103 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 (1030403343173) 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, 30305980663 + ... + 30305980696.

It is an arithmetic number, because the mean of its divisors is an integer number (272753826120).

Almost surely, 2^{1030403343103} is an apocalyptic number.

1030403343103 is a deficient number, since it is larger than the sum of its proper divisors (60611961377).

1030403343103 is an equidigital number, since it uses as much as digits as its factorization.

1030403343103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60611961376.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1030403343103 its reverse (3013433040301), we get a palindrome (4043836383404).

The spelling of 1030403343103 in words is "one trillion, thirty billion, four hundred three million, three hundred forty-three thousand, one hundred three".