313220233204420 has 24 divisors (see below), whose sum is σ = 696454400890584. Its totient is φ = 117918205441536.

The previous prime is 313220233204379. The next prime is 313220233204441. The reversal of 313220233204420 is 24402332022313.

It can be written as a sum of positive squares in 4 ways, for example, as 125133710397124 + 188086522807296 = 11186318^2 + 13714464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460617989667 + ... + 460617990346.

It is an arithmetic number, because the mean of its divisors is an integer number (29018933370441).

Almost surely, 2^{313220233204420} is an apocalyptic number.

It is an amenable number.

313220233204420 is an abundant number, since it is smaller than the sum of its proper divisors (383234167686164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313220233204420 is a wasteful number, since it uses less digits than its factorization.

313220233204420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921235980039 (or 921235980037 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 313220233204420 its reverse (24402332022313), we get a palindrome (337622565226733).

The spelling of 313220233204420 in words is "three hundred thirteen trillion, two hundred twenty billion, two hundred thirty-three million, two hundred four thousand, four hundred twenty".