103221313213 has 4 divisors (see below), whose sum is σ = 103436807040. Its totient is φ = 103005819388.

The previous prime is 103221313193. The next prime is 103221313259. The reversal of 103221313213 is 312313122301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103221313213 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 (103221313313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107746195 + ... + 107747152.

It is an arithmetic number, because the mean of its divisors is an integer number (25859201760).

Almost surely, 2^103221313213 is an apocalyptic number.

It is an amenable number.

103221313213 is a deficient number, since it is larger than the sum of its proper divisors (215493827).

103221313213 is an equidigital number, since it uses as much as digits as its factorization.

103221313213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215493826.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 103221313213 its reverse (312313122301), we get a palindrome (415534435514).

The spelling of 103221313213 in words is "one hundred three billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred thirteen".