1030303111311 has 8 divisors (see below), whose sum is σ = 1526374979760. Its totient is φ = 686868740856.

The previous prime is 1030303111267. The next prime is 1030303111349. The reversal of 1030303111311 is 1131113030301.

1030303111311 is a `hidden beast` number, since 10 + 3 + 0 + 30 + 311 + 1 + 311 = 666.

It is not a de Polignac number, because 1030303111311 - 2⁷ = 1030303111183 is a prime.

It is a super-2 number, since 2×1030303111311² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030303111351) 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, 19079687220 + ... + 19079687273.

It is an arithmetic number, because the mean of its divisors is an integer number (190796872470).

Almost surely, 2^{1030303111311} is an apocalyptic number.

1030303111311 is a deficient number, since it is larger than the sum of its proper divisors (496071868449).

1030303111311 is an equidigital number, since it uses as much as digits as its factorization.

1030303111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38159374502 (or 38159374496 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 1030303111311 its reverse (1131113030301), we get a palindrome (2161416141612).

The spelling of 1030303111311 in words is "one trillion, thirty billion, three hundred three million, one hundred eleven thousand, three hundred eleven".