1130321203103 has 4 divisors (see below), whose sum is σ = 1189811792760. Its totient is φ = 1070830613448.

The previous prime is 1130321203057. The next prime is 1130321203133. The reversal of 1130321203103 is 3013021230311.

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 1130321203103 - 2¹⁶ = 1130321137567 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 (1130321203133) 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, 29745294800 + ... + 29745294837.

It is an arithmetic number, because the mean of its divisors is an integer number (297452948190).

Almost surely, 2^{1130321203103} is an apocalyptic number.

1130321203103 is a deficient number, since it is larger than the sum of its proper divisors (59490589657).

1130321203103 is an equidigital number, since it uses as much as digits as its factorization.

1130321203103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59490589656.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1130321203103 its reverse (3013021230311), we get a palindrome (4143342433414).

The spelling of 1130321203103 in words is "one trillion, one hundred thirty billion, three hundred twenty-one million, two hundred three thousand, one hundred three".