11131201302 has 32 divisors (see below), whose sum is σ = 25017285888. Its totient is φ = 3276072096.

The previous prime is 11131201273. The next prime is 11131201309. The reversal of 11131201302 is 20310213111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131201309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3100548 + ... + 3104135.

It is an arithmetic number, because the mean of its divisors is an integer number (781790184).

Almost surely, 2^11131201302 is an apocalyptic number.

11131201302 is an abundant number, since it is smaller than the sum of its proper divisors (13886084586).

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

11131201302 is a wasteful number, since it uses less digits than its factorization.

11131201302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204724.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11131201302 its reverse (20310213111), we get a palindrome (31441414413).

The spelling of 11131201302 in words is "eleven billion, one hundred thirty-one million, two hundred one thousand, three hundred two".