Search a number
-
+
311040113 = 4335920149
BaseRepresentation
bin10010100010100…
…001100001110001
3210200021110211012
4102202201201301
51114111240423
650510400305
710464540326
oct2242414161
9720243735
10311040113
1114a63504a
1288200095
134c594c07
142d448b4d
151c490078
hex128a1871

311040113 has 8 divisors (see below), whose sum is σ = 319176000. Its totient is φ = 302945328.

The previous prime is 311040091. The next prime is 311040157.

311040113 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 311040113 - 28 = 311039857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (311040413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5363 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (39897000).

Almost surely, 2311040113 is an apocalyptic number.

It is an amenable number.

311040113 is a deficient number, since it is larger than the sum of its proper divisors (8135887).

311040113 is a wasteful number, since it uses less digits than its factorization.

311040113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20551.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 311040113 is about 17636.3293516536. The cubic root of 311040113 is about 677.5460228445.

The spelling of 311040113 in words is "three hundred eleven million, forty thousand, one hundred thirteen".

Divisors: 1 43 359 15437 20149 866407 7233491 311040113