1243310434033 has 2 divisors, whose sum is σ = 1243310434034. Its totient is φ = 1243310434032.

The previous prime is 1243310434019. The next prime is 1243310434049. The reversal of 1243310434033 is 3304340133421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1181412477184 + 61897956849 = 1086928^2 + 248793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1243310434033 - 2²⁵ = 1243276879601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1243310433986 and 1243310434004.

It is not a weakly prime, because it can be changed into another prime (1243310432033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621655217016 + 621655217017.

It is an arithmetic number, because the mean of its divisors is an integer number (621655217017).

Almost surely, 2^{1243310434033} is an apocalyptic number.

It is an amenable number.

1243310434033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243310434033 is an equidigital number, since it uses as much as digits as its factorization.

1243310434033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 1243310434033 its reverse (3304340133421), we get a palindrome (4547650567454).

The spelling of 1243310434033 in words is "one trillion, two hundred forty-three billion, three hundred ten million, four hundred thirty-four thousand, thirty-three".