355251310442213 has 2 divisors, whose sum is σ = 355251310442214. Its totient is φ = 355251310442212.

The previous prime is 355251310442179. The next prime is 355251310442221. The reversal of 355251310442213 is 312244013152553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354000386750404 + 1250923691809 = 18814898^2 + 1118447^2 .

It is an emirp because it is prime and its reverse (312244013152553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355251310442213 - 2¹⁰ = 355251310441189 is a prime.

It is a super-2 number, since 2×355251310442213² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355251310442293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177625655221106 + 177625655221107.

It is an arithmetic number, because the mean of its divisors is an integer number (177625655221107).

Almost surely, 2^{355251310442213} is an apocalyptic number.

It is an amenable number.

355251310442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

355251310442213 is an equidigital number, since it uses as much as digits as its factorization.

355251310442213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 355251310442213 its reverse (312244013152553), we get a palindrome (667495323594766).

The spelling of 355251310442213 in words is "three hundred fifty-five trillion, two hundred fifty-one billion, three hundred ten million, four hundred forty-two thousand, two hundred thirteen".