1103033031013 has 8 divisors (see below), whose sum is σ = 1107214557336. Its totient is φ = 1098858624000.

The previous prime is 1103033030951. The next prime is 1103033031029. The reversal of 1103033031013 is 3101303303011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 581470301764 + 521562729249 = 762542^2 + 722193^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103033031013 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 (1103033031043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469268 + ... + 2089213.

It is an arithmetic number, because the mean of its divisors is an integer number (138401819667).

Almost surely, 2^{1103033031013} is an apocalyptic number.

It is an amenable number.

1103033031013 is a deficient number, since it is larger than the sum of its proper divisors (4181526323).

1103033031013 is an equidigital number, since it uses as much as digits as its factorization.

1103033031013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559655.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 1103033031013 its reverse (3101303303011), we get a palindrome (4204336334024).

The spelling of 1103033031013 in words is "one trillion, one hundred three billion, thirty-three million, thirty-one thousand, thirteen".