313223010020213 has 4 divisors (see below), whose sum is σ = 313476221832300. Its totient is φ = 312969798208128.

The previous prime is 313223010020189. The next prime is 313223010020227. The reversal of 313223010020213 is 312020010322313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 208177052868964 + 105045957151249 = 14428342^2 + 10249193^2 .

It is a cyclic number.

It is not a de Polignac number, because 313223010020213 - 2¹² = 313223010016117 is a prime.

It is a super-2 number, since 2×313223010020213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313223010020243) 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, 126605904188 + ... + 126605906661.

It is an arithmetic number, because the mean of its divisors is an integer number (78369055458075).

Almost surely, 2^{313223010020213} is an apocalyptic number.

It is an amenable number.

313223010020213 is a deficient number, since it is larger than the sum of its proper divisors (253211812087).

313223010020213 is a wasteful number, since it uses less digits than its factorization.

313223010020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253211812086.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 313223010020213 its reverse (312020010322313), we get a palindrome (625243020342526).

The spelling of 313223010020213 in words is "three hundred thirteen trillion, two hundred twenty-three billion, ten million, twenty thousand, two hundred thirteen".