103211556343 has 4 divisors (see below), whose sum is σ = 117956064400. Its totient is φ = 88467048288.

The previous prime is 103211556319. The next prime is 103211556359. The reversal of 103211556343 is 343655112301.

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

It is a cyclic number.

It is not a de Polignac number, because 103211556343 - 2¹⁷ = 103211425271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103211556299 and 103211556308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103211556313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372254018 + ... + 7372254031.

It is an arithmetic number, because the mean of its divisors is an integer number (29489016100).

Almost surely, 2^103211556343 is an apocalyptic number.

103211556343 is a deficient number, since it is larger than the sum of its proper divisors (14744508057).

103211556343 is an equidigital number, since it uses as much as digits as its factorization.

103211556343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14744508056.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 103211556343 its reverse (343655112301), we get a palindrome (446866668644).

The spelling of 103211556343 in words is "one hundred three billion, two hundred eleven million, five hundred fifty-six thousand, three hundred forty-three".