Search a number
-
+
311312062 = 21131377487
BaseRepresentation
bin10010100011100…
…011111010111110
3210200210021212101
4102203203322332
51114143441222
650520255314
710500052225
oct2243437276
9720707771
10311312062
1114a8003a6
128831153a
134c65b929
142d4b9cbc
151c4e5927
hex128e3ebe

311312062 has 8 divisors (see below), whose sum is σ = 471100896. Its totient is φ = 154278432.

The previous prime is 311312059. The next prime is 311312081. The reversal of 311312062 is 260213113.

311312062 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 688518 + ... + 688969.

It is an arithmetic number, because the mean of its divisors is an integer number (58887612).

Almost surely, 2311312062 is an apocalyptic number.

311312062 is a deficient number, since it is larger than the sum of its proper divisors (159788834).

311312062 is a wasteful number, since it uses less digits than its factorization.

311312062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377602.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 311312062 is about 17644.0375764732. The cubic root of 311312062 is about 677.7434296328.

Adding to 311312062 its reverse (260213113), we get a palindrome (571525175).

The spelling of 311312062 in words is "three hundred eleven million, three hundred twelve thousand, sixty-two".

Divisors: 1 2 113 226 1377487 2754974 155656031 311312062