313626467329213 has 2 divisors, whose sum is σ = 313626467329214. Its totient is φ = 313626467329212.

The previous prime is 313626467329211. The next prime is 313626467329321. The reversal of 313626467329213 is 312923764626313.

Together with next prime (313626467329321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246794894025849 + 66831573303364 = 15709707^2 + 8175058^2 .

It is a cyclic number.

It is not a de Polignac number, because 313626467329213 - 2¹ = 313626467329211 is a prime.

It is a super-2 number, since 2×313626467329213² (a number of 30 digits) contains 22 as substring.

Together with 313626467329211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313626467329211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156813233664606 + 156813233664607.

It is an arithmetic number, because the mean of its divisors is an integer number (156813233664607).

Almost surely, 2^{313626467329213} is an apocalyptic number.

It is an amenable number.

313626467329213 is a deficient number, since it is larger than the sum of its proper divisors (1).

313626467329213 is an equidigital number, since it uses as much as digits as its factorization.

313626467329213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 58.

The spelling of 313626467329213 in words is "three hundred thirteen trillion, six hundred twenty-six billion, four hundred sixty-seven million, three hundred twenty-nine thousand, two hundred thirteen".