351774520313 has 2 divisors, whose sum is σ = 351774520314. Its totient is φ = 351774520312.

The previous prime is 351774520289. The next prime is 351774520333. The reversal of 351774520313 is 313025477153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192100753849 + 159673766464 = 438293^2 + 399592^2 .

It is a cyclic number.

It is not a de Polignac number, because 351774520313 - 2¹⁰ = 351774519289 is a prime.

It is not a weakly prime, because it can be changed into another prime (351774520333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175887260156 + 175887260157.

It is an arithmetic number, because the mean of its divisors is an integer number (175887260157).

Almost surely, 2^351774520313 is an apocalyptic number.

It is an amenable number.

351774520313 is a deficient number, since it is larger than the sum of its proper divisors (1).

351774520313 is an equidigital number, since it uses as much as digits as its factorization.

351774520313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 41.

Adding to 351774520313 its reverse (313025477153), we get a palindrome (664799997466).

The spelling of 351774520313 in words is "three hundred fifty-one billion, seven hundred seventy-four million, five hundred twenty thousand, three hundred thirteen".