11312321330 has 8 divisors (see below), whose sum is σ = 20362178412. Its totient is φ = 4524928528.

The previous prime is 11312321309. The next prime is 11312321333. The reversal of 11312321330 is 3312321311.

It can be written as a sum of positive squares in 2 ways, for example, as 10648795249 + 663526081 = 103193^2 + 25759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11312321330² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11312321333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565616057 + ... + 565616076.

Almost surely, 2^11312321330 is an apocalyptic number.

11312321330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312321330 is a deficient number, since it is larger than the sum of its proper divisors (9049857082).

11312321330 is a wasteful number, since it uses less digits than its factorization.

11312321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131232140.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11312321330 its reverse (3312321311), we get a palindrome (14624642641).

The spelling of 11312321330 in words is "eleven billion, three hundred twelve million, three hundred twenty-one thousand, three hundred thirty".