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230311411 = 11101207301
BaseRepresentation
bin11011011101001…
…00010111110011
3121001101000212021
431232210113303
5432424431121
634504212311
75464420561
oct1556442763
9531330767
10230311411
11109006410
126516a097
133893ac55
1422832a31
1515345641
hexdba45f3

230311411 has 8 divisors (see below), whose sum is σ = 253737648. Its totient is φ = 207300000.

The previous prime is 230311387. The next prime is 230311439. The reversal of 230311411 is 114113032.

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 230311411 - 25 = 230311379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230311511) 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 7 ways as a sum of consecutive naturals, for example, 102540 + ... + 104761.

It is an arithmetic number, because the mean of its divisors is an integer number (31717206).

Almost surely, 2230311411 is an apocalyptic number.

230311411 is a deficient number, since it is larger than the sum of its proper divisors (23426237).

230311411 is a wasteful number, since it uses less digits than its factorization.

230311411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207413.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 230311411 is about 15176.0143318330. The cubic root of 230311411 is about 612.9689634044.

Adding to 230311411 its reverse (114113032), we get a palindrome (344424443).

It can be divided in two parts, 23031 and 1411, that added together give a palindrome (24442).

The spelling of 230311411 in words is "two hundred thirty million, three hundred eleven thousand, four hundred eleven".

Divisors: 1 11 101 1111 207301 2280311 20937401 230311411