103200312321 has 12 divisors (see below), whose sum is σ = 149363480448. Its totient is φ = 68663425464.

The previous prime is 103200312307. The next prime is 103200312337. The reversal of 103200312321 is 123213002301.

103200312321 is a `hidden beast` number, since 1 + 0 + 32 + 0 + 0 + 312 + 321 = 666.

It is not a de Polignac number, because 103200312321 - 2¹⁹ = 103199788033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103200312294 and 103200312303.

It is not an unprimeable number, because it can be changed into a prime (103200312521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11393785 + ... + 11402838.

It is an arithmetic number, because the mean of its divisors is an integer number (12446956704).

Almost surely, 2^103200312321 is an apocalyptic number.

It is an amenable number.

103200312321 is a deficient number, since it is larger than the sum of its proper divisors (46163168127).

103200312321 is a wasteful number, since it uses less digits than its factorization.

103200312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22797132 (or 22797129 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103200312321 its reverse (123213002301), we get a palindrome (226413314622).

The spelling of 103200312321 in words is "one hundred three billion, two hundred million, three hundred twelve thousand, three hundred twenty-one".