351203304145 has 4 divisors (see below), whose sum is σ = 421443964980. Its totient is φ = 280962643312.

The previous prime is 351203304139. The next prime is 351203304157. The reversal of 351203304145 is 541403302153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541403302153 = 7 ⋅77343328879.

It can be written as a sum of positive squares in 2 ways, for example, as 51696662161 + 299506641984 = 227369^2 + 547272^2 .

It is a cyclic number.

It is not a de Polignac number, because 351203304145 - 2³⁵ = 316843565777 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35120330410 + ... + 35120330419.

It is an arithmetic number, because the mean of its divisors is an integer number (105360991245).

Almost surely, 2^351203304145 is an apocalyptic number.

It is an amenable number.

351203304145 is a deficient number, since it is larger than the sum of its proper divisors (70240660835).

351203304145 is an equidigital number, since it uses as much as digits as its factorization.

351203304145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70240660834.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 351203304145 its reverse (541403302153), we get a palindrome (892606606298).

The spelling of 351203304145 in words is "three hundred fifty-one billion, two hundred three million, three hundred four thousand, one hundred forty-five".