313220201 has 12 divisors (see below), whose sum is σ = 366812100. Its totient is φ = 266666400.

The previous prime is 313220191. The next prime is 313220209. The reversal of 313220201 is 102022313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135024400 + 178195801 = 11620^2 + 13349^2 .

It is a de Polignac number, because none of the positive numbers 2^k-313220201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313220209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14150 + ... + 28751.

It is an arithmetic number, because the mean of its divisors is an integer number (30567675).

Almost surely, 2^313220201 is an apocalyptic number.

It is an amenable number.

313220201 is a deficient number, since it is larger than the sum of its proper divisors (53591899).

313220201 is a wasteful number, since it uses less digits than its factorization.

313220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43064 (or 43057 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 313220201 is about 17698.0281670021. The cubic root of 313220201 is about 679.1253178552.

Adding to 313220201 its reverse (102022313), we get a palindrome (415242514).

The spelling of 313220201 in words is "three hundred thirteen million, two hundred twenty thousand, two hundred one".