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1311120330211 = 19409168719641
BaseRepresentation
bin10011000101000100110…
…111001000110111100011
311122100020020012202111001
4103011010313020313203
5132440133301031321
62442153110532431
7163503532632226
oct23050467106743
94570206182431
101311120330211
1146605227793a
1219212b667117
139683ac330a3
144765c41d5bd
152418a332c91
hex13144dc8de3

1311120330211 has 8 divisors (see below), whose sum is σ = 1383501064400. Its totient is φ = 1239077036160.

The previous prime is 1311120330203. The next prime is 1311120330217. The reversal of 1311120330211 is 1120330211131.

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 1311120330211 - 23 = 1311120330203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311120330217) 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, 84352050 + ... + 84367591.

It is an arithmetic number, because the mean of its divisors is an integer number (172937633050).

Almost surely, 21311120330211 is an apocalyptic number.

1311120330211 is a deficient number, since it is larger than the sum of its proper divisors (72380734189).

1311120330211 is a wasteful number, since it uses less digits than its factorization.

1311120330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168720069.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1311120330211 its reverse (1120330211131), we get a palindrome (2431450541342).

The spelling of 1311120330211 in words is "one trillion, three hundred eleven billion, one hundred twenty million, three hundred thirty thousand, two hundred eleven".

Divisors: 1 19 409 7771 168719641 3205673179 69006333169 1311120330211