2321111133131 has 8 divisors (see below), whose sum is σ = 2792314145280. Its totient is φ = 1884812047848.

The previous prime is 2321111133127. The next prime is 2321111133151. The reversal of 2321111133131 is 1313311111232.

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 2321111133131 - 2² = 2321111133127 is a prime.

It is a super-2 number, since 2×2321111133131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321111133097 and 2321111133106.

It is not an unprimeable number, because it can be changed into a prime (2321111133151) 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, 8725981571 + ... + 8725981836.

It is an arithmetic number, because the mean of its divisors is an integer number (349039268160).

Almost surely, 2^{2321111133131} is an apocalyptic number.

2321111133131 is a deficient number, since it is larger than the sum of its proper divisors (471203012149).

2321111133131 is a wasteful number, since it uses less digits than its factorization.

2321111133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451963433.

The product of its digits is 324, while the sum is 23.

Adding to 2321111133131 its reverse (1313311111232), we get a palindrome (3634422244363).

The spelling of 2321111133131 in words is "two trillion, three hundred twenty-one billion, one hundred eleven million, one hundred thirty-three thousand, one hundred thirty-one".