Search a number
-
+
3031020311 = 11834996653
BaseRepresentation
bin1011010010101001…
…1011001100010111
321211020101210012112
42310222123030113
522201420122221
61220433141235
7135053150624
oct26452331427
97736353175
103031020311
111315a28470
127070ba81b
13393c55a57
1420a79d34b
1512b17015b
hexb4a9b317

3031020311 has 16 divisors (see below), whose sum is σ = 3353616000. Its totient is φ = 2716410720.

The previous prime is 3031020301. The next prime is 3031020313. The reversal of 3031020311 is 1130201303.

It is not a de Polignac number, because 3031020311 - 218 = 3030758167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031020313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452261 + ... + 458913.

It is an arithmetic number, because the mean of its divisors is an integer number (209601000).

Almost surely, 23031020311 is an apocalyptic number.

3031020311 is a deficient number, since it is larger than the sum of its proper divisors (322595689).

3031020311 is a wasteful number, since it uses less digits than its factorization.

3031020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 3031020311 is about 55054.7028963012. The cubic root of 3031020311 is about 1447.2035378512.

Adding to 3031020311 its reverse (1130201303), we get a palindrome (4161221614).

The spelling of 3031020311 in words is "three billion, thirty-one million, twenty thousand, three hundred eleven".

Divisors: 1 11 83 499 913 5489 6653 41417 73183 455587 552199 3319847 6074189 36518317 275547301 3031020311