1303031311103 has 8 divisors (see below), whose sum is σ = 1331263235520. Its totient is φ = 1274820547360.

The previous prime is 1303031311097. The next prime is 1303031311129. The reversal of 1303031311103 is 3011131303031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303031311103 - 2⁶ = 1303031311039 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 (1303031314103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5165648 + ... + 5412021.

It is an arithmetic number, because the mean of its divisors is an integer number (166407904440).

Almost surely, 2^{1303031311103} is an apocalyptic number.

1303031311103 is a deficient number, since it is larger than the sum of its proper divisors (28231924417).

1303031311103 is a wasteful number, since it uses less digits than its factorization.

1303031311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580337.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 1303031311103 its reverse (3011131303031), we get a palindrome (4314162614134).

The spelling of 1303031311103 in words is "one trillion, three hundred three billion, thirty-one million, three hundred eleven thousand, one hundred three".