313021201 has 2 divisors, whose sum is σ = 313021202. Its totient is φ = 313021200.

The previous prime is 313021193. The next prime is 313021207. The reversal of 313021201 is 102120313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310464400 + 2556801 = 17620^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 313021201 - 2³ = 313021193 is a prime.

It is not a weakly prime, because it can be changed into another prime (313021207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156510600 + 156510601.

It is an arithmetic number, because the mean of its divisors is an integer number (156510601).

Almost surely, 2^313021201 is an apocalyptic number.

It is an amenable number.

313021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

313021201 is an equidigital number, since it uses as much as digits as its factorization.

313021201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 313021201 is about 17692.4051784940. The cubic root of 313021201 is about 678.9814631816.

Adding to 313021201 its reverse (102120313), we get a palindrome (415141514).

The spelling of 313021201 in words is "three hundred thirteen million, twenty-one thousand, two hundred one".