313321201 has 4 divisors (see below), whose sum is σ = 313503732. Its totient is φ = 313138672.

The previous prime is 313321187. The next prime is 313321231. The reversal of 313321201 is 102123313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102123313 = 1993 ⋅51241.

It can be written as a sum of positive squares in 2 ways, for example, as 74649600 + 238671601 = 8640^2 + 15449^2 .

It is a cyclic number.

It is not a de Polignac number, because 313321201 - 2¹⁵ = 313288433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313321231) 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, 88666 + ... + 92131.

It is an arithmetic number, because the mean of its divisors is an integer number (78375933).

Almost surely, 2^313321201 is an apocalyptic number.

It is an amenable number.

313321201 is a deficient number, since it is larger than the sum of its proper divisors (182531).

313321201 is a wasteful number, since it uses less digits than its factorization.

313321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182530.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 313321201 is about 17700.8813622373. The cubic root of 313321201 is about 679.1983062146.

Adding to 313321201 its reverse (102123313), we get a palindrome (415444514).

The spelling of 313321201 in words is "three hundred thirteen million, three hundred twenty-one thousand, two hundred one".