13033331042 has 4 divisors (see below), whose sum is σ = 19549996566. Its totient is φ = 6516665520.

The previous prime is 13033331039. The next prime is 13033331063. The reversal of 13033331042 is 24013333031.

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., 9465538681 + 3567792361 = 97291^2 + 59731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13033330999 and 13033331017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258332759 + ... + 3258332762.

Almost surely, 2^13033331042 is an apocalyptic number.

13033331042 is a deficient number, since it is larger than the sum of its proper divisors (6516665524).

13033331042 is an equidigital number, since it uses as much as digits as its factorization.

13033331042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516665523.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13033331042 its reverse (24013333031), we get a palindrome (37046664073).

The spelling of 13033331042 in words is "thirteen billion, thirty-three million, three hundred thirty-one thousand, forty-two".