313333434313 has 4 divisors (see below), whose sum is σ = 331764812820. Its totient is φ = 294902055808.

The previous prime is 313333434311. The next prime is 313333434317. The reversal of 313333434313 is 313434333313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313434333313 = 137 ⋅2287841849.

It can be written as a sum of positive squares in 2 ways, for example, as 115781631289 + 197551803024 = 340267^2 + 444468^2 .

It is a cyclic number.

It is not a de Polignac number, because 313333434313 - 2¹ = 313333434311 is a prime.

It is a super-3 number, since 3×313333434313³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313333434311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9215689228 + ... + 9215689261.

It is an arithmetic number, because the mean of its divisors is an integer number (82941203205).

Almost surely, 2^313333434313 is an apocalyptic number.

It is an amenable number.

313333434313 is a deficient number, since it is larger than the sum of its proper divisors (18431378507).

313333434313 is a wasteful number, since it uses less digits than its factorization.

313333434313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431378506.

The product of its digits is 104976, while the sum is 34.

Adding to 313333434313 its reverse (313434333313), we get a palindrome (626767767626).

The spelling of 313333434313 in words is "three hundred thirteen billion, three hundred thirty-three million, four hundred thirty-four thousand, three hundred thirteen".