311233123311233 has 2 divisors, whose sum is σ = 311233123311234. Its totient is φ = 311233123311232.

The previous prime is 311233123311223. The next prime is 311233123311293. The reversal of 311233123311233 is 332113321332113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272598855682624 + 38634267628609 = 16510568^2 + 6215647^2 .

It is a cyclic number.

It is not a de Polignac number, because 311233123311233 - 2¹² = 311233123307137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311233123311233.

It is not a weakly prime, because it can be changed into another prime (311233123311203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155616561655616 + 155616561655617.

It is an arithmetic number, because the mean of its divisors is an integer number (155616561655617).

Almost surely, 2^{311233123311233} is an apocalyptic number.

It is an amenable number.

311233123311233 is a deficient number, since it is larger than the sum of its proper divisors (1).

311233123311233 is an equidigital number, since it uses as much as digits as its factorization.

311233123311233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 32.

Adding to 311233123311233 its reverse (332113321332113), we get a palindrome (643346444643346).

The spelling of 311233123311233 in words is "three hundred eleven trillion, two hundred thirty-three billion, one hundred twenty-three million, three hundred eleven thousand, two hundred thirty-three".