313330013 has 4 divisors (see below), whose sum is σ = 315080640. Its totient is φ = 311579388.

The previous prime is 313330001. The next prime is 313330019. The reversal of 313330013 is 310033313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310033313 = 7823 ⋅39631.

It is a cyclic number.

It is not a de Polignac number, because 313330013 - 2²⁴ = 296552797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313329973 and 313330000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313330019) 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, 875045 + ... + 875402.

It is an arithmetic number, because the mean of its divisors is an integer number (78770160).

Almost surely, 2^313330013 is an apocalyptic number.

It is an amenable number.

313330013 is a deficient number, since it is larger than the sum of its proper divisors (1750627).

313330013 is a wasteful number, since it uses less digits than its factorization.

313330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750626.

The product of its (nonzero) digits is 243, while the sum is 17.

The square root of 313330013 is about 17701.1302746463. The cubic root of 313330013 is about 679.2046735243.

Adding to 313330013 its reverse (310033313), we get a palindrome (623363326).

It can be divided in two parts, 3133300 and 13, that added together give a palindrome (3133313).

The spelling of 313330013 in words is "three hundred thirteen million, three hundred thirty thousand, thirteen".