11312132330 has 32 divisors (see below), whose sum is σ = 20554300800. Its totient is φ = 4482279232.

The previous prime is 11312132323. The next prime is 11312132339. The reversal of 11312132330 is 3323121311.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11312132339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458756 + ... + 482784.

It is an arithmetic number, because the mean of its divisors is an integer number (642321900).

Almost surely, 2^11312132330 is an apocalyptic number.

11312132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312132330 is a deficient number, since it is larger than the sum of its proper divisors (9242168470).

11312132330 is a wasteful number, since it uses less digits than its factorization.

11312132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24478.

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

Adding to 11312132330 its reverse (3323121311), we get a palindrome (14635253641).

The spelling of 11312132330 in words is "eleven billion, three hundred twelve million, one hundred thirty-two thousand, three hundred thirty".