11231330320 has 80 divisors (see below), whose sum is σ = 30252170880. Its totient is φ = 3797978112.

The previous prime is 11231330273. The next prime is 11231330323. The reversal of 11231330320 is 2303313211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×11231330320² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231330323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96490 + ... + 178249.

It is an arithmetic number, because the mean of its divisors is an integer number (378152136).

Almost surely, 2^11231330320 is an apocalyptic number.

11231330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231330320 is an abundant number, since it is smaller than the sum of its proper divisors (19020840560).

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

11231330320 is a wasteful number, since it uses less digits than its factorization.

11231330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274832 (or 274826 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11231330320 its reverse (2303313211), we get a palindrome (13534643531).

It can be divided in two parts, 11231 and 330320, that added together give a triangular number (341551 = T₈₂₆).

The spelling of 11231330320 in words is "eleven billion, two hundred thirty-one million, three hundred thirty thousand, three hundred twenty".