11431230330 has 32 divisors (see below), whose sum is σ = 29545334784. Its totient is φ = 2813841216.

The previous prime is 11431230329. The next prime is 11431230341. The reversal of 11431230330 is 3303213411.

It is a junction number, because it is equal to n+sod(n) for n = 11431230297 and 11431230306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14655034 + ... + 14655813.

It is an arithmetic number, because the mean of its divisors is an integer number (923291712).

Almost surely, 2^11431230330 is an apocalyptic number.

11431230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11431230330 is an abundant number, since it is smaller than the sum of its proper divisors (18114104454).

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

11431230330 is a wasteful number, since it uses less digits than its factorization.

11431230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29310870.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11431230330 its reverse (3303213411), we get a palindrome (14734443741).

The spelling of 11431230330 in words is "eleven billion, four hundred thirty-one million, two hundred thirty thousand, three hundred thirty".