351145232140205 has 16 divisors (see below), whose sum is σ = 433425502859184. Its totient is φ = 272905289879040.

The previous prime is 351145232140187. The next prime is 351145232140309. The reversal of 351145232140205 is 502041232541153.

It can be written as a sum of positive squares in 8 ways, for example, as 29436419185156 + 321708812955049 = 5425534^2 + 17936243^2 .

It is not a de Polignac number, because 351145232140205 - 2⁶ = 351145232140141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453234736 + ... + 1453476345.

It is an arithmetic number, because the mean of its divisors is an integer number (27089093928699).

Almost surely, 2^{351145232140205} is an apocalyptic number.

It is an amenable number.

351145232140205 is a deficient number, since it is larger than the sum of its proper divisors (82280270718979).

351145232140205 is a wasteful number, since it uses less digits than its factorization.

351145232140205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906711776.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 351145232140205 its reverse (502041232541153), we get a palindrome (853186464681358).

The spelling of 351145232140205 in words is "three hundred fifty-one trillion, one hundred forty-five billion, two hundred thirty-two million, one hundred forty thousand, two hundred five".