103221213231 has 8 divisors (see below), whose sum is σ = 137767166464. Its totient is φ = 68744701080.

The previous prime is 103221213229. The next prime is 103221213239. The reversal of 103221213231 is 132312122301.

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

It is not a de Polignac number, because 103221213231 - 2¹ = 103221213229 is a prime.

It is a super-2 number, since 2×103221213231² (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 = 103221213198 and 103221213207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221213239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17356801 + ... + 17362746.

It is an arithmetic number, because the mean of its divisors is an integer number (17220895808).

Almost surely, 2^103221213231 is an apocalyptic number.

103221213231 is a deficient number, since it is larger than the sum of its proper divisors (34545953233).

103221213231 is an equidigital number, since it uses as much as digits as its factorization.

103221213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34720541.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 103221213231 its reverse (132312122301), we get a palindrome (235533335532).

The spelling of 103221213231 in words is "one hundred three billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred thirty-one".