Search a number
-
+
311313201 = 3163763391
BaseRepresentation
bin10010100011100…
…100001100110001
3210200210100102120
4102203210030301
51114144010301
650520304453
710500055443
oct2243441461
9720710376
10311313201
1114a801241
1288312129
134c65c2c4
142d4ba493
151c4e5e36
hex128e4331

311313201 has 8 divisors (see below), whose sum is σ = 415344384. Its totient is φ = 207412080.

The previous prime is 311313181. The next prime is 311313241. The reversal of 311313201 is 102313113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311313201 - 219 = 310788913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311313241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26785 + ... + 36606.

It is an arithmetic number, because the mean of its divisors is an integer number (51918048).

Almost surely, 2311313201 is an apocalyptic number.

It is an amenable number.

311313201 is a deficient number, since it is larger than the sum of its proper divisors (104031183).

311313201 is a wasteful number, since it uses less digits than its factorization.

311313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65031.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 311313201 is about 17644.0698536364. The cubic root of 311313201 is about 677.7442561870.

Adding to 311313201 its reverse (102313113), we get a palindrome (413626314).

The spelling of 311313201 in words is "three hundred eleven million, three hundred thirteen thousand, two hundred one".

Divisors: 1 3 1637 4911 63391 190173 103771067 311313201