1003111031011 has 8 divisors (see below), whose sum is σ = 1018137496320. Its totient is φ = 988086173448.

The previous prime is 1003111031003. The next prime is 1003111031017. The reversal of 1003111031011 is 1101301113001.

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 1003111031011 - 2³ = 1003111031003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003111030982 and 1003111031000.

It is not an unprimeable number, because it can be changed into a prime (1003111031017) 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, 885930 + ... + 1670656.

It is an arithmetic number, because the mean of its divisors is an integer number (127267187040).

Almost surely, 2^{1003111031011} is an apocalyptic number.

1003111031011 is a deficient number, since it is larger than the sum of its proper divisors (15026465309).

1003111031011 is an equidigital number, since it uses as much as digits as its factorization.

1003111031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803873.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 1003111031011 its reverse (1101301113001), we get a palindrome (2104412144012).

The spelling of 1003111031011 in words is "one trillion, three billion, one hundred eleven million, thirty-one thousand, eleven".