313320230133 has 4 divisors (see below), whose sum is σ = 417760306848. Its totient is φ = 208880153420.

The previous prime is 313320230129. The next prime is 313320230147. The reversal of 313320230133 is 331032023313.

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: 331032023313 = 3 ⋅110344007771.

It is a cyclic number.

It is not a de Polignac number, because 313320230133 - 2² = 313320230129 is a prime.

It is a super-2 number, since 2×313320230133² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313320230933) 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, 52220038353 + ... + 52220038358.

It is an arithmetic number, because the mean of its divisors is an integer number (104440076712).

Almost surely, 2^313320230133 is an apocalyptic number.

It is an amenable number.

313320230133 is a deficient number, since it is larger than the sum of its proper divisors (104440076715).

313320230133 is a wasteful number, since it uses less digits than its factorization.

313320230133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104440076714.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 313320230133 its reverse (331032023313), we get a palindrome (644352253446).

The spelling of 313320230133 in words is "three hundred thirteen billion, three hundred twenty million, two hundred thirty thousand, one hundred thirty-three".