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313001 = 1324077
BaseRepresentation
bin1001100011010101001
3120220100122
41030122221
540004001
610413025
72442353
oct1143251
9526318
10313001
111a4187
12131175
13ac610
14820d3
1562b1b
hex4c6a9

313001 has 4 divisors (see below), whose sum is σ = 337092. Its totient is φ = 288912.

The previous prime is 312989. The next prime is 313003. The reversal of 313001 is 100313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 179776 + 133225 = 424^2 + 365^2 .

It is not a de Polignac number, because 313001 - 26 = 312937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313001.

It is not an unprimeable number, because it can be changed into a prime (313003) 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, 12026 + ... + 12051.

It is an arithmetic number, because the mean of its divisors is an integer number (84273).

2313001 is an apocalyptic number.

It is an amenable number.

313001 is a deficient number, since it is larger than the sum of its proper divisors (24091).

313001 is a wasteful number, since it uses less digits than its factorization.

313001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24090.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 313001 is about 559.4649229398. The cubic root of 313001 is about 67.8966856717.

Adding to 313001 its reverse (100313), we get a palindrome (413314).

The spelling of 313001 in words is "three hundred thirteen thousand, one".

Divisors: 1 13 24077 313001