1210234311331 has 2 divisors, whose sum is σ = 1210234311332. Its totient is φ = 1210234311330.

The previous prime is 1210234311329. The next prime is 1210234311337. The reversal of 1210234311331 is 1331134320121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210234311331 - 2¹ = 1210234311329 is a prime.

It is a super-2 number, since 2×1210234311331² (a number of 25 digits) contains 22 as substring.

Together with 1210234311329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1210234311296 and 1210234311305.

It is not a weakly prime, because it can be changed into another prime (1210234311337) 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 as a sum of consecutive naturals, namely, 605117155665 + 605117155666.

It is an arithmetic number, because the mean of its divisors is an integer number (605117155666).

Almost surely, 2^{1210234311331} is an apocalyptic number.

1210234311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210234311331 is an equidigital number, since it uses as much as digits as its factorization.

1210234311331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1210234311331 its reverse (1331134320121), we get a palindrome (2541368631452).

The spelling of 1210234311331 in words is "one trillion, two hundred ten billion, two hundred thirty-four million, three hundred eleven thousand, three hundred thirty-one".