1303123331011 has 8 divisors (see below), whose sum is σ = 1311638605200. Its totient is φ = 1294621782240.

The previous prime is 1303123331009. The next prime is 1303123331023. The reversal of 1303123331011 is 1101333213031.

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 1303123331011 - 2¹ = 1303123331009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303123331311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240816 + ... + 3620653.

It is an arithmetic number, because the mean of its divisors is an integer number (163954825650).

Almost surely, 2^{1303123331011} is an apocalyptic number.

1303123331011 is a deficient number, since it is larger than the sum of its proper divisors (8515274189).

1303123331011 is a wasteful number, since it uses less digits than its factorization.

1303123331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862709.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1303123331011 its reverse (1101333213031), we get a palindrome (2404456544042).

The spelling of 1303123331011 in words is "one trillion, three hundred three billion, one hundred twenty-three million, three hundred thirty-one thousand, eleven".