1231322330329 has 32 divisors (see below), whose sum is σ = 1568141809920. Its totient is φ = 940392536832.

The previous prime is 1231322330299. The next prime is 1231322330377. The reversal of 1231322330329 is 9230332231321.

It is not a de Polignac number, because 1231322330329 - 2³³ = 1222732395737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231322330294 and 1231322330303.

It is not an unprimeable number, because it can be changed into a prime (1231322330429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10357027 + ... + 10475239.

It is an arithmetic number, because the mean of its divisors is an integer number (49004431560).

Almost surely, 2^{1231322330329} is an apocalyptic number.

It is an amenable number.

1231322330329 is a deficient number, since it is larger than the sum of its proper divisors (336819479591).

1231322330329 is a wasteful number, since it uses less digits than its factorization.

1231322330329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122209.

The product of its (nonzero) digits is 34992, while the sum is 34.

It can be divided in two parts, 1231322 and 330329, that added together give a palindrome (1561651).

The spelling of 1231322330329 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-two million, three hundred thirty thousand, three hundred twenty-nine".