313100420 has 12 divisors (see below), whose sum is σ = 657510924. Its totient is φ = 125240160.

The previous prime is 313100393. The next prime is 313100423. The reversal of 313100420 is 24001313.

It can be written as a sum of positive squares in 2 ways, for example, as 243110464 + 69989956 = 15592^2 + 8366^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313100395 and 313100404.

It is not an unprimeable number, because it can be changed into a prime (313100423) 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, 7827491 + ... + 7827530.

It is an arithmetic number, because the mean of its divisors is an integer number (54792577).

Almost surely, 2^313100420 is an apocalyptic number.

It is an amenable number.

313100420 is an abundant number, since it is smaller than the sum of its proper divisors (344410504).

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

313100420 is a wasteful number, since it uses less digits than its factorization.

313100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15655030 (or 15655028 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 313100420 is about 17694.6438223548. The cubic root of 313100420 is about 679.0387369332.

Adding to 313100420 its reverse (24001313), we get a palindrome (337101733).

The spelling of 313100420 in words is "three hundred thirteen million, one hundred thousand, four hundred twenty".