351311350105 has 4 divisors (see below), whose sum is σ = 421573620132. Its totient is φ = 281049080080.

The previous prime is 351311350051. The next prime is 351311350133. The reversal of 351311350105 is 501053113153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150790092489 + 200521257616 = 388317^2 + 447796^2 .

It is not a de Polignac number, because 351311350105 - 2¹⁵ = 351311317337 is a prime.

It is a super-2 number, since 2×351311350105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35131135006 + ... + 35131135015.

It is an arithmetic number, because the mean of its divisors is an integer number (105393405033).

Almost surely, 2^351311350105 is an apocalyptic number.

It is an amenable number.

351311350105 is a deficient number, since it is larger than the sum of its proper divisors (70262270027).

351311350105 is an equidigital number, since it uses as much as digits as its factorization.

351311350105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70262270026.

The product of its (nonzero) digits is 3375, while the sum is 28.

Adding to 351311350105 its reverse (501053113153), we get a palindrome (852364463258).

The spelling of 351311350105 in words is "three hundred fifty-one billion, three hundred eleven million, three hundred fifty thousand, one hundred five".