11331430002 has 48 divisors (see below), whose sum is σ = 26263698552. Its totient is φ = 3518300160.

The previous prime is 11331429979. The next prime is 11331430003. The reversal of 11331430002 is 20003413311.

It can be written as a sum of positive squares in 4 ways, for example, as 8804256561 + 2527173441 = 93831^2 + 50271^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11331430003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161199 + ... + 220562.

Almost surely, 2^11331430002 is an apocalyptic number.

11331430002 is an abundant number, since it is smaller than the sum of its proper divisors (14932268550).

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

11331430002 is a wasteful number, since it uses less digits than its factorization.

11331430002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381883 (or 381880 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11331430002 its reverse (20003413311), we get a palindrome (31334843313).

The spelling of 11331430002 in words is "eleven billion, three hundred thirty-one million, four hundred thirty thousand, two".