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30023312321231 = 89337340587879
BaseRepresentation
bin1101101001110010110001…
…10111011010101011001111
310221022012102020221101020222
412310321120313122223033
512413400220423234411
6143504304055101555
76216053445013265
oct664713067325317
9127265366841228
1030023312321231
1196258a7110039
12344a8766718bb
13139a256121478
1475b1c9538435
15370e9672d4db
hex1b4e58ddaacf

30023312321231 has 4 divisors (see below), whose sum is σ = 30360652909200. Its totient is φ = 29685971733264.

The previous prime is 30023312321221. The next prime is 30023312321263. The reversal of 30023312321231 is 13212321332003.

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 30023312321231 - 230 = 30022238579407 is a prime.

It is a super-2 number, since 2×300233123212312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30023312321231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023312321221) 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, 168670293851 + ... + 168670294028.

It is an arithmetic number, because the mean of its divisors is an integer number (7590163227300).

Almost surely, 230023312321231 is an apocalyptic number.

30023312321231 is a deficient number, since it is larger than the sum of its proper divisors (337340587969).

30023312321231 is an equidigital number, since it uses as much as digits as its factorization.

30023312321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337340587968.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30023312321231 its reverse (13212321332003), we get a palindrome (43235633653234).

The spelling of 30023312321231 in words is "thirty trillion, twenty-three billion, three hundred twelve million, three hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 89 337340587879 30023312321231