103213065503 has 8 divisors (see below), whose sum is σ = 103290199056. Its totient is φ = 103135964800.

The previous prime is 103213065499. The next prime is 103213065509. The reversal of 103213065503 is 305560312301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103213065503 - 2² = 103213065499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213065509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11009408 + ... + 11018778.

It is an arithmetic number, because the mean of its divisors is an integer number (12911274882).

Almost surely, 2^103213065503 is an apocalyptic number.

103213065503 is a deficient number, since it is larger than the sum of its proper divisors (77133553).

103213065503 is an equidigital number, since it uses as much as digits as its factorization.

103213065503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16425.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 103213065503 its reverse (305560312301), we get a palindrome (408773377804).

The spelling of 103213065503 in words is "one hundred three billion, two hundred thirteen million, sixty-five thousand, five hundred three".