831650343056138 has 4 divisors (see below), whose sum is σ = 1247475514584210. Its totient is φ = 415825171528068.

The previous prime is 831650343056123. The next prime is 831650343056147.

831650343056138 is nontrivially palindromic in base 10.

831650343056138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 528130635474649 + 303519707581489 = 22981093^2 + 17421817^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207912585764033 + ... + 207912585764036.

Almost surely, 2^{831650343056138} is an apocalyptic number.

831650343056138 is a deficient number, since it is larger than the sum of its proper divisors (415825171528072).

831650343056138 is a wasteful number, since it uses less digits than its factorization.

831650343056138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415825171528071.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 831650343056138 in words is "eight hundred thirty-one trillion, six hundred fifty billion, three hundred forty-three million, fifty-six thousand, one hundred thirty-eight".