1211303200331 has 8 divisors (see below), whose sum is σ = 1384385882880. Its totient is φ = 1038230359848.

The previous prime is 1211303200313. The next prime is 1211303200333. The reversal of 1211303200331 is 1330023031121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211303200331 is a prime.

It is a super-2 number, since 2×1211303200331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211303200333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194871 + ... + 2690736.

It is an arithmetic number, because the mean of its divisors is an integer number (173048235360).

Almost surely, 2^{1211303200331} is an apocalyptic number.

1211303200331 is a deficient number, since it is larger than the sum of its proper divisors (173082682549).

1211303200331 is an equidigital number, since it uses as much as digits as its factorization.

1211303200331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921033.

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

Adding to 1211303200331 its reverse (1330023031121), we get a palindrome (2541326231452).

The spelling of 1211303200331 in words is "one trillion, two hundred eleven billion, three hundred three million, two hundred thousand, three hundred thirty-one".