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311120110111 = 2967160123577
BaseRepresentation
bin1001000011100000011…
…01000010001000011111
31002202001111101011002011
410201300031002020133
520044133222010421
6354532051412051
731322563205416
oct4416015021037
91082044334064
10311120110111
1110aa44211648
12503695b4027
13234528bb315
14110b5d5a47d
15815da764e1
hex487034221f

311120110111 has 8 divisors (see below), whose sum is σ = 326652099120. Its totient is φ = 295908368448.

The previous prime is 311120110097. The next prime is 311120110139. The reversal of 311120110111 is 111011021113.

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 311120110111 - 27 = 311120109983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311120110091 and 311120110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311120510111) 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, 80059846 + ... + 80063731.

It is an arithmetic number, because the mean of its divisors is an integer number (40831512390).

Almost surely, 2311120110111 is an apocalyptic number.

311120110111 is a deficient number, since it is larger than the sum of its proper divisors (15531989009).

311120110111 is a wasteful number, since it uses less digits than its factorization.

311120110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160123673.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 311120110111 its reverse (111011021113), we get a palindrome (422131131224).

The spelling of 311120110111 in words is "three hundred eleven billion, one hundred twenty million, one hundred ten thousand, one hundred eleven".

Divisors: 1 29 67 1943 160123577 4643583733 10728279659 311120110111