3445131040321 has 2 divisors, whose sum is σ = 3445131040322. Its totient is φ = 3445131040320.

The previous prime is 3445131040301. The next prime is 3445131040339. The reversal of 3445131040321 is 1230401315443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1836201154225 + 1608929886096 = 1355065^2 + 1268436^2 .

It is a cyclic number.

It is not a de Polignac number, because 3445131040321 - 2⁷ = 3445131040193 is a prime.

It is not a weakly prime, because it can be changed into another prime (3445131040301) 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, 1722565520160 + 1722565520161.

It is an arithmetic number, because the mean of its divisors is an integer number (1722565520161).

Almost surely, 2^{3445131040321} is an apocalyptic number.

It is an amenable number.

3445131040321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445131040321 is an equidigital number, since it uses as much as digits as its factorization.

3445131040321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 3445131040321 its reverse (1230401315443), we get a palindrome (4675532355764).

The spelling of 3445131040321 in words is "three trillion, four hundred forty-five billion, one hundred thirty-one million, forty thousand, three hundred twenty-one".