13131201234 has 64 divisors (see below), whose sum is σ = 28302867072. Its totient is φ = 4046361600.

The previous prime is 13131201227. The next prime is 13131201263. The reversal of 13131201234 is 43210213131.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13131201234.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7347289 + ... + 7349075.

It is an arithmetic number, because the mean of its divisors is an integer number (442232298).

Almost surely, 2^13131201234 is an apocalyptic number.

13131201234 is an abundant number, since it is smaller than the sum of its proper divisors (15171665838).

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

13131201234 is a wasteful number, since it uses less digits than its factorization.

13131201234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13131201234 its reverse (43210213131), we get a palindrome (56341414365).

The spelling of 13131201234 in words is "thirteen billion, one hundred thirty-one million, two hundred one thousand, two hundred thirty-four".