1231322330330 has 16 divisors (see below), whose sum is σ = 2216820130560. Its totient is φ = 492431168592.

The previous prime is 1231322330299. The next prime is 1231322330377. The reversal of 1231322330330 is 330332231321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231322330330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12167534 + ... + 12268313.

It is an arithmetic number, because the mean of its divisors is an integer number (138551258160).

Almost surely, 2^{1231322330330} is an apocalyptic number.

1231322330330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231322330330 is a deficient number, since it is larger than the sum of its proper divisors (985497800230).

1231322330330 is a wasteful number, since it uses less digits than its factorization.

1231322330330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24440893.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1231322330330 its reverse (330332231321), we get a palindrome (1561654561651).

Subtracting from 1231322330330 its reverse (330332231321), we obtain a palindrome (900990099009).

The spelling of 1231322330330 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-two million, three hundred thirty thousand, three hundred thirty".