313021030313 has 4 divisors (see below), whose sum is σ = 313022377428. Its totient is φ = 313019683200.

The previous prime is 313021030279. The next prime is 313021030319. The reversal of 313021030313 is 313030120313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 274965994384 + 38055035929 = 524372^2 + 195077^2 .

It is a cyclic number.

It is not a de Polignac number, because 313021030313 - 2³² = 308726063017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313021030319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225788 + ... + 822813.

It is an arithmetic number, because the mean of its divisors is an integer number (78255594357).

Almost surely, 2^313021030313 is an apocalyptic number.

It is an amenable number.

313021030313 is a deficient number, since it is larger than the sum of its proper divisors (1347115).

313021030313 is a wasteful number, since it uses less digits than its factorization.

313021030313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347114.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 313021030313 its reverse (313030120313), we get a palindrome (626051150626).

The spelling of 313021030313 in words is "three hundred thirteen billion, twenty-one million, thirty thousand, three hundred thirteen".