313221220103 has 16 divisors (see below), whose sum is σ = 349860715776. Its totient is φ = 277950805440.

The previous prime is 313221220069. The next prime is 313221220127. The reversal of 313221220103 is 301022122313.

It is not a de Polignac number, because 313221220103 - 2⁸ = 313221219847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313221220133) 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, 554075 + ... + 966147.

It is an arithmetic number, because the mean of its divisors is an integer number (21866294736).

Almost surely, 2^313221220103 is an apocalyptic number.

313221220103 is a deficient number, since it is larger than the sum of its proper divisors (36639495673).

313221220103 is a wasteful number, since it uses less digits than its factorization.

313221220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413734.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313221220103 its reverse (301022122313), we get a palindrome (614243342416).

The spelling of 313221220103 in words is "three hundred thirteen billion, two hundred twenty-one million, two hundred twenty thousand, one hundred three".