1203013231303 has 12 divisors (see below), whose sum is σ = 1303487123448. Its totient is φ = 1109778153120.

The previous prime is 1203013231261. The next prime is 1203013231319. The reversal of 1203013231303 is 3031323103021.

It is not a de Polignac number, because 1203013231303 - 2³³ = 1194423296711 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 (1203013231333) 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 11 ways as a sum of consecutive naturals, for example, 1958793 + ... + 2498578.

It is an arithmetic number, because the mean of its divisors is an integer number (108623926954).

Almost surely, 2^{1203013231303} is an apocalyptic number.

1203013231303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1203013231303 is a deficient number, since it is larger than the sum of its proper divisors (100473892145).

1203013231303 is a wasteful number, since it uses less digits than its factorization.

1203013231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458994 (or 4458981 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1203013231303 its reverse (3031323103021), we get a palindrome (4234336334324).

The spelling of 1203013231303 in words is "one trillion, two hundred three billion, thirteen million, two hundred thirty-one thousand, three hundred three".