13045311234 has 12 divisors (see below), whose sum is σ = 28264841046. Its totient is φ = 4348437072.

The previous prime is 13045311217. The next prime is 13045311239. The reversal of 13045311234 is 43211354031.

It is a happy number.

13045311234 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 531 + 123 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12122670609 + 922640625 = 110103^2 + 30375^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13045311198 and 13045311207.

It is not an unprimeable number, because it can be changed into a prime (13045311239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362369739 + ... + 362369774.

Almost surely, 2^13045311234 is an apocalyptic number.

13045311234 is an abundant number, since it is smaller than the sum of its proper divisors (15219529812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13045311234 is a wasteful number, since it uses less digits than its factorization.

13045311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724739521 (or 724739518 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13045311234 its reverse (43211354031), we get a palindrome (56256665265).

The spelling of 13045311234 in words is "thirteen billion, forty-five million, three hundred eleven thousand, two hundred thirty-four".