11513031234 has 16 divisors (see below), whose sum is σ = 23180601600. Its totient is φ = 3811920560.

The previous prime is 11513031197. The next prime is 11513031241. The reversal of 11513031234 is 43213031511.

11513031234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11513031234³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6438162 + ... + 6439949.

It is an arithmetic number, because the mean of its divisors is an integer number (1448787600).

Almost surely, 2^11513031234 is an apocalyptic number.

11513031234 is an abundant number, since it is smaller than the sum of its proper divisors (11667570366).

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

11513031234 is a wasteful number, since it uses less digits than its factorization.

11513031234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878265.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 11513031234 its reverse (43213031511), we get a palindrome (54726062745).

The spelling of 11513031234 in words is "eleven billion, five hundred thirteen million, thirty-one thousand, two hundred thirty-four".