1211300330231 has 8 divisors (see below), whose sum is σ = 1284168441984. Its totient is φ = 1140544337760.

The previous prime is 1211300330173. The next prime is 1211300330311. The reversal of 1211300330231 is 1320330031121.

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

It is a cyclic number.

It is not a de Polignac number, because 1211300330231 - 2⁶ = 1211300330167 is a prime.

It is a super-2 number, since 2×1211300330231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211300330531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 528028640 + ... + 528030933.

It is an arithmetic number, because the mean of its divisors is an integer number (160521055248).

Almost surely, 2^{1211300330231} is an apocalyptic number.

1211300330231 is a deficient number, since it is larger than the sum of its proper divisors (72868111753).

1211300330231 is a wasteful number, since it uses less digits than its factorization.

1211300330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056059641.

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

Adding to 1211300330231 its reverse (1320330031121), we get a palindrome (2531630361352).

The spelling of 1211300330231 in words is "one trillion, two hundred eleven billion, three hundred million, three hundred thirty thousand, two hundred thirty-one".