13102033442 has 4 divisors (see below), whose sum is σ = 19653050166. Its totient is φ = 6551016720.

The previous prime is 13102033429. The next prime is 13102033447. The reversal of 13102033442 is 24433020131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10733167201 + 2368866241 = 103601^2 + 48671^2 .

It is not an unprimeable number, because it can be changed into a prime (13102033447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275508359 + ... + 3275508362.

Almost surely, 2^13102033442 is an apocalyptic number.

13102033442 is a deficient number, since it is larger than the sum of its proper divisors (6551016724).

13102033442 is an equidigital number, since it uses as much as digits as its factorization.

13102033442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551016723.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13102033442 its reverse (24433020131), we get a palindrome (37535053573).

The spelling of 13102033442 in words is "thirteen billion, one hundred two million, thirty-three thousand, four hundred forty-two".