103351620643 has 4 divisors (see below), whose sum is σ = 105045909568. Its totient is φ = 101657331720.

The previous prime is 103351620611. The next prime is 103351620661. The reversal of 103351620643 is 346026153301.

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 103351620643 - 2⁵ = 103351620611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103351620599 and 103351620608.

It is not an unprimeable number, because it can be changed into a prime (103351623643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847144371 + ... + 847144492.

It is an arithmetic number, because the mean of its divisors is an integer number (26261477392).

Almost surely, 2^103351620643 is an apocalyptic number.

103351620643 is a deficient number, since it is larger than the sum of its proper divisors (1694288925).

103351620643 is an equidigital number, since it uses as much as digits as its factorization.

103351620643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694288924.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 103351620643 its reverse (346026153301), we get a palindrome (449377773944).

The spelling of 103351620643 in words is "one hundred three billion, three hundred fifty-one million, six hundred twenty thousand, six hundred forty-three".