11320531230 has 48 divisors (see below), whose sum is σ = 28401947280. Its totient is φ = 2887551744.

The previous prime is 11320531213. The next prime is 11320531291. The reversal of 11320531230 is 3213502311.

It is a junction number, because it is equal to n+sod(n) for n = 11320531197 and 11320531206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340795 + ... + 372534.

It is an arithmetic number, because the mean of its divisors is an integer number (591707235).

Almost surely, 2^11320531230 is an apocalyptic number.

11320531230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11320531230 is an abundant number, since it is smaller than the sum of its proper divisors (17081416050).

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

11320531230 is a wasteful number, since it uses less digits than its factorization.

11320531230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713385 (or 713362 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The spelling of 11320531230 in words is "eleven billion, three hundred twenty million, five hundred thirty-one thousand, two hundred thirty".