1243111304330 has 32 divisors (see below), whose sum is σ = 2557736213760. Its totient is φ = 426129811200.

The previous prime is 1243111304293. The next prime is 1243111304371. The reversal of 1243111304330 is 334031113421.

It is a self number, because there is not a number n which added to its sum of digits gives 1243111304330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284815 + ... + 2033954.

It is an arithmetic number, because the mean of its divisors is an integer number (79929256680).

Almost surely, 2^{1243111304330} is an apocalyptic number.

1243111304330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243111304330 is an abundant number, since it is smaller than the sum of its proper divisors (1314624909430).

1243111304330 is a wasteful number, since it uses less digits than its factorization.

1243111304330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324134.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1243111304330 its reverse (334031113421), we get a palindrome (1577142417751).

The spelling of 1243111304330 in words is "one trillion, two hundred forty-three billion, one hundred eleven million, three hundred four thousand, three hundred thirty".