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30313221333213 = 3713373001011913
BaseRepresentation
bin1101110010001110110001…
…10010100010000011011101
310222022220201111220002210010
412321013120302202003131
512433122434130130323
6144245411315233433
76246025611654540
oct671073062420335
9128286644802703
1030313221333213
1197278461a6715
123496aa45a8879
1313bb6a8456040
1476b24c3d0857
153787b3059c93
hex1b91d8ca20dd

30313221333213 has 32 divisors (see below), whose sum is σ = 51089226823936. Its totient is φ = 15557245751808.

The previous prime is 30313221333191. The next prime is 30313221333247. The reversal of 30313221333213 is 31233312231303.

It is not a de Polignac number, because 30313221333213 - 25 = 30313221333181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313221333293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1500495856 + ... + 1500516057.

It is an arithmetic number, because the mean of its divisors is an integer number (1596538338248).

Almost surely, 230313221333213 is an apocalyptic number.

It is an amenable number.

30313221333213 is a deficient number, since it is larger than the sum of its proper divisors (20776005490723).

30313221333213 is a wasteful number, since it uses less digits than its factorization.

30313221333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001011973.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 30313221333213 its reverse (31233312231303), we get a palindrome (61546533564516).

It can be divided in two parts, 3031322 and 1333213, that added together give a triangular number (4364535 = T2954).

The spelling of 30313221333213 in words is "thirty trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 481 777 1443 3367 10101 3001011913 9003035739 21007083391 39013154869 63021250173 111037440781 117039464607 273092084083 333112322343 777262085467 819276252249 1443486730153 2331786256401 4330460190459 10104407111071 30313221333213