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30012312011331 = 31367503193311813
BaseRepresentation
bin1101101001011110010010…
…01100100100001001000011
310221021011000121220201220210
412310233021030210021003
512413210203333330311
6143455244340205203
76215214032640036
oct664571114441103
9127234017821823
1030012312011331
119621171790431
123448706699803
1313991c2118a60
1475a8645c701d
15370a50b2c3a6
hex1b4bc9324243

30012312011331 has 64 divisors (see below), whose sum is σ = 43851142444032. Its totient is φ = 18146357171712.

The previous prime is 30012312011243. The next prime is 30012312011333. The reversal of 30012312011331 is 13311021321003.

It is a happy number.

It is not a de Polignac number, because 30012312011331 - 27 = 30012312011203 is a prime.

It is a super-3 number, since 3×300123120113313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 30012312011298 and 30012312011307.

It is not an unprimeable number, because it can be changed into a prime (30012312011333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2540611381 + ... + 2540623193.

It is an arithmetic number, because the mean of its divisors is an integer number (685174100688).

Almost surely, 230012312011331 is an apocalyptic number.

30012312011331 is a deficient number, since it is larger than the sum of its proper divisors (13838830432701).

30012312011331 is a wasteful number, since it uses less digits than its factorization.

30012312011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14332.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 30012312011331 its reverse (13311021321003), we get a palindrome (43323333332334).

The spelling of 30012312011331 in words is "thirty trillion, twelve billion, three hundred twelve million, eleven thousand, three hundred thirty-one".

Divisors: 1 3 13 39 67 201 503 871 1509 1933 2613 5799 6539 11813 19617 25129 33701 35439 75387 101103 129511 153569 388533 438113 460707 791471 972299 1314339 1683643 2374413 2916897 5050929 5941939 10289123 12639887 17825817 22834529 30867369 37919661 65144033 68503587 77245207 195432099 231735621 296848877 398109913 846872429 890546631 1194329739 1529913443 2540617287 4589740329 5175428869 11485768087 15526286607 19888874759 34457304261 59666624277 149314985131 447944955393 769546461829 2308639385487 10004104003777 30012312011331