13000331234 has 12 divisors (see below), whose sum is σ = 21434430822. Its totient is φ = 5909241360.

The previous prime is 13000331233. The next prime is 13000331237. The reversal of 13000331234 is 43213300031.

13000331234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8695003009 + 4305328225 = 93247^2 + 65615^2 .

It is a super-2 number, since 2×13000331234² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13000331231) 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 5 ways as a sum of consecutive naturals, for example, 26859947 + ... + 26860430.

Almost surely, 2^13000331234 is an apocalyptic number.

13000331234 is a deficient number, since it is larger than the sum of its proper divisors (8434099588).

13000331234 is a wasteful number, since it uses less digits than its factorization.

13000331234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53720401 (or 53720390 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13000331234 its reverse (43213300031), we get a palindrome (56213631265).

The spelling of 13000331234 in words is "thirteen billion, three hundred thirty-one thousand, two hundred thirty-four".