13233431042 has 8 divisors (see below), whose sum is σ = 21377080956. Its totient is φ = 6107737392.

The previous prime is 13233431009. The next prime is 13233431047. The reversal of 13233431042 is 24013433231.

It can be written as a sum of positive squares in 2 ways, for example, as 10300017121 + 2933413921 = 101489^2 + 54161^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 508978117 = 13233431042 / (1 + 3 + 2 + 3 + 3 + 4 + 3 + 1 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (13233431047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254489033 + ... + 254489084.

Almost surely, 2^13233431042 is an apocalyptic number.

13233431042 is a deficient number, since it is larger than the sum of its proper divisors (8143649914).

13233431042 is a wasteful number, since it uses less digits than its factorization.

13233431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508978132.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13233431042 its reverse (24013433231), we get a palindrome (37246864273).

The spelling of 13233431042 in words is "thirteen billion, two hundred thirty-three million, four hundred thirty-one thousand, forty-two".