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313000201 = 1372284673
BaseRepresentation
bin10010101010000…
…000000100001001
3210210222001120001
4102222000010021
51120112001301
651020403001
710520313013
oct2252000411
9723861501
10313000201
11150753758
12889a6461
134cb00127
142d7d91b3
151c72ac01
hex12a80109

313000201 has 4 divisors (see below), whose sum is σ = 315285012. Its totient is φ = 310715392.

The previous prime is 313000189. The next prime is 313000217. The reversal of 313000201 is 102000313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102000313 = 907112459.

It can be written as a sum of positive squares in 2 ways, for example, as 261662976 + 51337225 = 16176^2 + 7165^2 .

It is a cyclic number.

It is not a de Polignac number, because 313000201 - 29 = 312999689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313000241) 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, 1142200 + ... + 1142473.

It is an arithmetic number, because the mean of its divisors is an integer number (78821253).

Almost surely, 2313000201 is an apocalyptic number.

It is an amenable number.

313000201 is a deficient number, since it is larger than the sum of its proper divisors (2284811).

313000201 is a wasteful number, since it uses less digits than its factorization.

313000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284810.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 313000201 is about 17691.8116935491. The cubic root of 313000201 is about 678.9662789815.

Adding to 313000201 its reverse (102000313), we get a palindrome (415000514).

The spelling of 313000201 in words is "three hundred thirteen million, two hundred one", and thus it is an aban number.

Divisors: 1 137 2284673 313000201