3443512020281 has 2 divisors, whose sum is σ = 3443512020282. Its totient is φ = 3443512020280.

The previous prime is 3443512020233. The next prime is 3443512020293. The reversal of 3443512020281 is 1820202153443.

3443512020281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2222246118400 + 1221265901881 = 1490720^2 + 1105109^2 .

It is an emirp because it is prime and its reverse (1820202153443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3443512020281 is a prime.

It is a super-2 number, since 2×3443512020281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3443512020581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721756010140 + 1721756010141.

It is an arithmetic number, because the mean of its divisors is an integer number (1721756010141).

Almost surely, 2^{3443512020281} is an apocalyptic number.

It is an amenable number.

3443512020281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3443512020281 is an equidigital number, since it uses as much as digits as its factorization.

3443512020281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

It can be divided in two parts, 344351 and 2020281, that added together give a palindrome (2364632).

The spelling of 3443512020281 in words is "three trillion, four hundred forty-three billion, five hundred twelve million, twenty thousand, two hundred eighty-one".