313110020 has 12 divisors (see below), whose sum is σ = 657531084. Its totient is φ = 125244000.

The previous prime is 313109981. The next prime is 313110037. The reversal of 313110020 is 20011313.

It can be written as a sum of positive squares in 2 ways, for example, as 47224384 + 265885636 = 6872^2 + 16306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313109983 and 313110010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7827731 + ... + 7827770.

It is an arithmetic number, because the mean of its divisors is an integer number (54794257).

Almost surely, 2^313110020 is an apocalyptic number.

It is an amenable number.

313110020 is an abundant number, since it is smaller than the sum of its proper divisors (344421064).

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

313110020 is a wasteful number, since it uses less digits than its factorization.

313110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15655510 (or 15655508 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 313110020 is about 17694.9150888045. The cubic root of 313110020 is about 679.0456768848.

Adding to 313110020 its reverse (20011313), we get a palindrome (333121333).

The spelling of 313110020 in words is "three hundred thirteen million, one hundred ten thousand, twenty".