313321027 has 2 divisors, whose sum is σ = 313321028. Its totient is φ = 313321026.

The previous prime is 313321013. The next prime is 313321049. The reversal of 313321027 is 720123313.

It is a happy number.

It is an a-pointer prime, because the next prime (313321049) can be obtained adding 313321027 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313321027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313320989 and 313321007.

It is not a weakly prime, because it can be changed into another prime (313321007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156660513 + 156660514.

It is an arithmetic number, because the mean of its divisors is an integer number (156660514).

Almost surely, 2^313321027 is an apocalyptic number.

313321027 is a deficient number, since it is larger than the sum of its proper divisors (1).

313321027 is an equidigital number, since it uses as much as digits as its factorization.

313321027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 313321027 is about 17700.8764472271. The cubic root of 313321027 is about 679.1981804858.

The spelling of 313321027 in words is "three hundred thirteen million, three hundred twenty-one thousand, twenty-seven".