1011203033013 has 12 divisors (see below), whose sum is σ = 1470429468300. Its totient is φ = 669610956096.

The previous prime is 1011203032999. The next prime is 1011203033017. The reversal of 1011203033013 is 3103303021101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35487777924 + 975715255089 = 188382^2 + 987783^2 .

It is not a de Polignac number, because 1011203033013 - 2⁶ = 1011203032949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011203033017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377031856 + ... + 377034537.

It is an arithmetic number, because the mean of its divisors is an integer number (122535789025).

Almost surely, 2^{1011203033013} is an apocalyptic number.

It is an amenable number.

1011203033013 is a deficient number, since it is larger than the sum of its proper divisors (459226435287).

1011203033013 is a wasteful number, since it uses less digits than its factorization.

1011203033013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754066548 (or 754066545 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1011203033013 its reverse (3103303021101), we get a palindrome (4114506054114).

The spelling of 1011203033013 in words is "one trillion, eleven billion, two hundred three million, thirty-three thousand, thirteen".