351325020243 has 4 divisors (see below), whose sum is σ = 468433360328. Its totient is φ = 234216680160.

The previous prime is 351325020199. The next prime is 351325020313. The reversal of 351325020243 is 342020523153.

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

It is not a de Polignac number, because 351325020243 - 2¹⁰ = 351325019219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351325020243.

It is not an unprimeable number, because it can be changed into a prime (351325020043) by changing a digit.

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, 58554170038 + ... + 58554170043.

It is an arithmetic number, because the mean of its divisors is an integer number (117108340082).

Almost surely, 2^351325020243 is an apocalyptic number.

351325020243 is a deficient number, since it is larger than the sum of its proper divisors (117108340085).

351325020243 is a wasteful number, since it uses less digits than its factorization.

351325020243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117108340084.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 351325020243 its reverse (342020523153), we get a palindrome (693345543396).

The spelling of 351325020243 in words is "three hundred fifty-one billion, three hundred twenty-five million, twenty thousand, two hundred forty-three".