351032142226 has 4 divisors (see below), whose sum is σ = 526548213342. Its totient is φ = 175516071112.

The previous prime is 351032142217. The next prime is 351032142353. The reversal of 351032142226 is 622241230153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622241230153 = 83 ⋅7496882291.

It can be written as a sum of positive squares in only one way, i.e., 200794506201 + 150237636025 = 448101^2 + 387605^2 .

It is an unprimeable number.

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, 87758035555 + ... + 87758035558.

Almost surely, 2^351032142226 is an apocalyptic number.

351032142226 is a deficient number, since it is larger than the sum of its proper divisors (175516071116).

351032142226 is a wasteful number, since it uses less digits than its factorization.

351032142226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175516071115.

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

Adding to 351032142226 its reverse (622241230153), we get a palindrome (973273372379).

The spelling of 351032142226 in words is "three hundred fifty-one billion, thirty-two million, one hundred forty-two thousand, two hundred twenty-six".