313230133033 has 4 divisors (see below), whose sum is σ = 316749572820. Its totient is φ = 309710693248.

The previous prime is 313230133019. The next prime is 313230133043. The reversal of 313230133033 is 330331032313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330331032313 = 1061 ⋅311339333.

It can be written as a sum of positive squares in 2 ways, for example, as 17024247529 + 296205885504 = 130477^2 + 544248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313230133033 is a prime.

It is a super-2 number, since 2×313230133033² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313230132989 and 313230133007.

It is not an unprimeable number, because it can be changed into a prime (313230133043) 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, 1759719760 + ... + 1759719937.

It is an arithmetic number, because the mean of its divisors is an integer number (79187393205).

Almost surely, 2^313230133033 is an apocalyptic number.

It is an amenable number.

313230133033 is a deficient number, since it is larger than the sum of its proper divisors (3519439787).

313230133033 is an equidigital number, since it uses as much as digits as its factorization.

313230133033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519439786.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 313230133033 its reverse (330331032313), we get a palindrome (643561165346).

The spelling of 313230133033 in words is "three hundred thirteen billion, two hundred thirty million, one hundred thirty-three thousand, thirty-three".