843531121135348 has 12 divisors (see below), whose sum is σ = 1563013547986212. Its totient is φ = 396955821710720.

The previous prime is 843531121135327. The next prime is 843531121135363.

843531121135348 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 512350377684964 + 331180743450384 = 22635158^2 + 18198372^2 .

It is a super-2 number, since 2×843531121135348² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 843531121135295 and 843531121135304.

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 3 ways as a sum of consecutive naturals, for example, 6202434714163 + ... + 6202434714298.

It is an arithmetic number, because the mean of its divisors is an integer number (130251128998851).

Almost surely, 2^{843531121135348} is an apocalyptic number.

It is an amenable number.

843531121135348 is a deficient number, since it is larger than the sum of its proper divisors (719482426850864).

843531121135348 is a wasteful number, since it uses less digits than its factorization.

843531121135348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12404869428482 (or 12404869428480 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The spelling of 843531121135348 in words is "eight hundred forty-three trillion, five hundred thirty-one billion, one hundred twenty-one million, one hundred thirty-five thousand, three hundred forty-eight".