1311021414233 has 2 divisors, whose sum is σ = 1311021414234. Its totient is φ = 1311021414232.

The previous prime is 1311021414193. The next prime is 1311021414239. The reversal of 1311021414233 is 3324141201131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795435664384 + 515585749849 = 891872^2 + 718043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311021414233 - 2⁶ = 1311021414169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311021414239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655510707116 + 655510707117.

It is an arithmetic number, because the mean of its divisors is an integer number (655510707117).

Almost surely, 2^{1311021414233} is an apocalyptic number.

It is an amenable number.

1311021414233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311021414233 is an equidigital number, since it uses as much as digits as its factorization.

1311021414233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1311021414233 its reverse (3324141201131), we get a palindrome (4635162615364).

The spelling of 1311021414233 in words is "one trillion, three hundred eleven billion, twenty-one million, four hundred fourteen thousand, two hundred thirty-three".