13103331233 has 4 divisors (see below), whose sum is σ = 13238417220. Its totient is φ = 12968245248.

The previous prime is 13103331217. The next prime is 13103331271. The reversal of 13103331233 is 33213330131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33213330131 = 2039 ⋅16289029.

It can be written as a sum of positive squares in 2 ways, for example, as 3768486544 + 9334844689 = 61388^2 + 96617^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103331233 - 2⁴ = 13103331217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103331199 and 13103331208.

It is not an unprimeable number, because it can be changed into a prime (13103931233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67542848 + ... + 67543041.

It is an arithmetic number, because the mean of its divisors is an integer number (3309604305).

Almost surely, 2^13103331233 is an apocalyptic number.

It is an amenable number.

13103331233 is a deficient number, since it is larger than the sum of its proper divisors (135085987).

13103331233 is an equidigital number, since it uses as much as digits as its factorization.

13103331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135085986.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 13103331233 its reverse (33213330131), we get a palindrome (46316661364).

The spelling of 13103331233 in words is "thirteen billion, one hundred three million, three hundred thirty-one thousand, two hundred thirty-three".