1303031203313 has 32 divisors (see below), whose sum is σ = 1610983065600. Its totient is φ = 1051642751040.

The previous prime is 1303031203307. The next prime is 1303031203319. The reversal of 1303031203313 is 3133021303031.

It is an interprime number because it is at equal distance from previous prime (1303031203307) and next prime (1303031203319).

It is not a de Polignac number, because 1303031203313 - 2⁴ = 1303031203297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303031203319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262606 + ... + 2049447.

It is an arithmetic number, because the mean of its divisors is an integer number (50343220800).

Almost surely, 2^{1303031203313} is an apocalyptic number.

It is an amenable number.

1303031203313 is a deficient number, since it is larger than the sum of its proper divisors (307951862287).

1303031203313 is an equidigital number, since it uses as much as digits as its factorization.

1303031203313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312142 (or 3312128 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 1303031203313 its reverse (3133021303031), we get a palindrome (4436052506344).

The spelling of 1303031203313 in words is "one trillion, three hundred three billion, thirty-one million, two hundred three thousand, three hundred thirteen".