351321144243 has 8 divisors (see below), whose sum is σ = 473691430800. Its totient is φ = 231582476928.

The previous prime is 351321144233. The next prime is 351321144263. The reversal of 351321144243 is 342441123153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 351321144243 - 2¹⁰ = 351321143219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351321144233) 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 in 7 ways as a sum of consecutive naturals, for example, 657904498 + ... + 657905031.

It is an arithmetic number, because the mean of its divisors is an integer number (59211428850).

Almost surely, 2^351321144243 is an apocalyptic number.

351321144243 is a deficient number, since it is larger than the sum of its proper divisors (122370286557).

351321144243 is a wasteful number, since it uses less digits than its factorization.

351321144243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315809621.

The product of its digits is 34560, while the sum is 33.

Adding to 351321144243 its reverse (342441123153), we get a palindrome (693762267396).

It can be divided in two parts, 3513 and 21144243, that added together give a triangular number (21147756 = T₆₅₀₃).

The spelling of 351321144243 in words is "three hundred fifty-one billion, three hundred twenty-one million, one hundred forty-four thousand, two hundred forty-three".