103310313221 has 16 divisors (see below), whose sum is σ = 104396482800. Its totient is φ = 102231134208.

The previous prime is 103310313187. The next prime is 103310313263. The reversal of 103310313221 is 122313013301.

It can be written as a sum of positive squares in 8 ways, for example, as 23597260996 + 79713052225 = 153614^2 + 282335^2 .

It is a cyclic number.

It is not a de Polignac number, because 103310313221 - 2¹⁸ = 103310051077 is a prime.

It is a super-2 number, since 2×103310313221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103310313193 and 103310313202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103310313121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45530075 + ... + 45532343.

It is an arithmetic number, because the mean of its divisors is an integer number (6524780175).

Almost surely, 2^103310313221 is an apocalyptic number.

It is an amenable number.

103310313221 is a deficient number, since it is larger than the sum of its proper divisors (1086169579).

103310313221 is a wasteful number, since it uses less digits than its factorization.

103310313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103310313221 its reverse (122313013301), we get a palindrome (225623326522).

The spelling of 103310313221 in words is "one hundred three billion, three hundred ten million, three hundred thirteen thousand, two hundred twenty-one".