Search a number
-
+
11230320311 = 711531391441
BaseRepresentation
bin10100111010110000…
…10001011010110111
31001222122211101022022
422131120101122313
5140444430222221
65054212423355
7545204101430
oct123530213267
931878741268
1011230320311
11484324a961
122215017b5b
13109c869662
14787706487
1545add74ab
hex29d6116b7

11230320311 has 8 divisors (see below), whose sum is σ = 12845792544. Its totient is φ = 9617633280.

The previous prime is 11230320293. The next prime is 11230320359. The reversal of 11230320311 is 11302303211.

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 11230320311 - 214 = 11230303927 is a prime.

It is a super-2 number, since 2×112303203112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11230320311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230320611) 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, 687650 + ... + 703791.

It is an arithmetic number, because the mean of its divisors is an integer number (1605724068).

Almost surely, 211230320311 is an apocalyptic number.

11230320311 is a deficient number, since it is larger than the sum of its proper divisors (1615472233).

11230320311 is a wasteful number, since it uses less digits than its factorization.

11230320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392601.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11230320311 its reverse (11302303211), we get a palindrome (22532623522).

The spelling of 11230320311 in words is "eleven billion, two hundred thirty million, three hundred twenty thousand, three hundred eleven".

Divisors: 1 7 1153 8071 1391441 9740087 1604331473 11230320311