313323430221 has 48 divisors (see below), whose sum is σ = 485266541760. Its totient is φ = 194109350400.

The previous prime is 313323430213. The next prime is 313323430249. The reversal of 313323430221 is 122034323313.

313323430221 is a `hidden beast` number, since 3 + 1 + 3 + 3 + 2 + 3 + 430 + 221 = 666.

It is not a de Polignac number, because 313323430221 - 2³ = 313323430213 is a prime.

It is a super-2 number, since 2×313323430221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313323430921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24134310 + ... + 24147288.

It is an arithmetic number, because the mean of its divisors is an integer number (10109719620).

Almost surely, 2^313323430221 is an apocalyptic number.

It is an amenable number.

313323430221 is a deficient number, since it is larger than the sum of its proper divisors (171943111539).

313323430221 is a wasteful number, since it uses less digits than its factorization.

313323430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14986 (or 14983 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 313323430221 its reverse (122034323313), we get a palindrome (435357753534).

The spelling of 313323430221 in words is "three hundred thirteen billion, three hundred twenty-three million, four hundred thirty thousand, two hundred twenty-one".