313011133213 has 4 divisors (see below), whose sum is σ = 313883030880. Its totient is φ = 312139235548.

The previous prime is 313011133187. The next prime is 313011133229. The reversal of 313011133213 is 312331110313.

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: 312331110313 = 479 ⋅652048247.

It is a cyclic number.

It is not a de Polignac number, because 313011133213 - 2⁹ = 313011132701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313011133313) 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, 435948295 + ... + 435949012.

It is an arithmetic number, because the mean of its divisors is an integer number (78470757720).

Almost surely, 2^313011133213 is an apocalyptic number.

It is an amenable number.

313011133213 is a deficient number, since it is larger than the sum of its proper divisors (871897667).

313011133213 is an equidigital number, since it uses as much as digits as its factorization.

313011133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871897666.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 313011133213 its reverse (312331110313), we get a palindrome (625342243526).

It can be divided in two parts, 313011 and 133213, that added together give a square (446224 = 668²).

The spelling of 313011133213 in words is "three hundred thirteen billion, eleven million, one hundred thirty-three thousand, two hundred thirteen".