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30211121330311 = 57415262344771
BaseRepresentation
bin1101101111010000100110…
…01001111011100010000111
310221222011011222201120010011
412313220103021323202013
512424434334030032221
6144130444134011051
76235452515160565
oct667502311734207
9127864158646104
1030211121330311
119698512430329
12347b14b4a6a87
1313b1b8685733c
147663244c2a35
15375cd97a71e1
hex1b7a1327b887

30211121330311 has 4 divisors (see below), whose sum is σ = 30216383680824. Its totient is φ = 30205858979800.

The previous prime is 30211121330279. The next prime is 30211121330359. The reversal of 30211121330311 is 11303312111203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30211121330311 - 25 = 30211121330279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211121330371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2631166645 + ... + 2631178126.

It is an arithmetic number, because the mean of its divisors is an integer number (7554095920206).

Almost surely, 230211121330311 is an apocalyptic number.

30211121330311 is a deficient number, since it is larger than the sum of its proper divisors (5262350513).

30211121330311 is an equidigital number, since it uses as much as digits as its factorization.

30211121330311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262350512.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 30211121330311 its reverse (11303312111203), we get a palindrome (41514433441514).

The spelling of 30211121330311 in words is "thirty trillion, two hundred eleven billion, one hundred twenty-one million, three hundred thirty thousand, three hundred eleven".

Divisors: 1 5741 5262344771 30211121330311