1203101320103 has 4 divisors (see below), whose sum is σ = 1203437104128. Its totient is φ = 1202765536080.

The previous prime is 1203101320087. The next prime is 1203101320111. The reversal of 1203101320103 is 3010231013021.

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 1203101320103 - 2⁴ = 1203101320087 is a prime.

It is a super-4 number, since 4×1203101320103⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203101329103) 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, 167886638 + ... + 167893803.

It is an arithmetic number, because the mean of its divisors is an integer number (300859276032).

Almost surely, 2^{1203101320103} is an apocalyptic number.

1203101320103 is a deficient number, since it is larger than the sum of its proper divisors (335784025).

1203101320103 is an equidigital number, since it uses as much as digits as its factorization.

1203101320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335784024.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1203101320103 its reverse (3010231013021), we get a palindrome (4213332333124).

The spelling of 1203101320103 in words is "one trillion, two hundred three billion, one hundred one million, three hundred twenty thousand, one hundred three".