313030013 has 4 divisors (see below), whose sum is σ = 313326108. Its totient is φ = 312733920.

The previous prime is 313029991. The next prime is 313030021. The reversal of 313030013 is 310030313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310030313 = 1871 ⋅165703.

It can be written as a sum of positive squares in 2 ways, for example, as 169078009 + 143952004 = 13003^2 + 11998^2 .

It is a cyclic number.

It is not a de Polignac number, because 313030013 - 2⁸ = 313029757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313030013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313030043) 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, 146456 + ... + 148577.

It is an arithmetic number, because the mean of its divisors is an integer number (78331527).

Almost surely, 2^313030013 is an apocalyptic number.

It is an amenable number.

313030013 is a deficient number, since it is larger than the sum of its proper divisors (296095).

313030013 is a wasteful number, since it uses less digits than its factorization.

313030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296094.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 313030013 is about 17692.6542101517. The cubic root of 313030013 is about 678.9878345588.

Adding to 313030013 its reverse (310030313), we get a palindrome (623060326).

It can be divided in two parts, 3130300 and 13, that added together give a palindrome (3130313).

The spelling of 313030013 in words is "three hundred thirteen million, thirty thousand, thirteen".