313103300223221 has 16 divisors (see below), whose sum is σ = 328835517419520. Its totient is φ = 297553825617840.

The previous prime is 313103300223209. The next prime is 313103300223349. The reversal of 313103300223221 is 122322003301313.

It is a cyclic number.

It is not a de Polignac number, because 313103300223221 - 2⁶ = 313103300223157 is a prime.

It is a super-2 number, since 2×313103300223221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313103300229221) 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, 67724975 + ... + 72200268.

It is an arithmetic number, because the mean of its divisors is an integer number (20552219838720).

Almost surely, 2^{313103300223221} is an apocalyptic number.

It is an amenable number.

313103300223221 is a deficient number, since it is larger than the sum of its proper divisors (15732217196299).

313103300223221 is a wasteful number, since it uses less digits than its factorization.

313103300223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139925896.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 313103300223221 its reverse (122322003301313), we get a palindrome (435425303524534).

The spelling of 313103300223221 in words is "three hundred thirteen trillion, one hundred three billion, three hundred million, two hundred twenty-three thousand, two hundred twenty-one".