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30231232121311 = 1319374152179669
BaseRepresentation
bin1101101111110110000011…
…10110100000100111011111
310222001002002112201121001021
412313323001312200213133
512430302030410340221
6144144011502025011
76240064054112404
oct667730166404737
9128032075647037
1030231232121311
1196a5aa2451261
123483022578167
1313b3a40183380
147672b13a82ab
153765b510a041
hex1b7ec1da09df

30231232121311 has 32 divisors (see below), whose sum is σ = 35197734353600. Its totient is φ = 25721572239360.

The previous prime is 30231232121291. The next prime is 30231232121327. The reversal of 30231232121311 is 11312123213203.

It is a cyclic number.

It is not a de Polignac number, because 30231232121311 - 27 = 30231232121183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231232121411) 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, 379420585 + ... + 379500253.

It is an arithmetic number, because the mean of its divisors is an integer number (1099929198550).

Almost surely, 230231232121311 is an apocalyptic number.

30231232121311 is a deficient number, since it is larger than the sum of its proper divisors (4966502232289).

30231232121311 is a wasteful number, since it uses less digits than its factorization.

30231232121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121259.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 30231232121311 its reverse (11312123213203), we get a palindrome (41543355334514).

The spelling of 30231232121311 in words is "thirty trillion, two hundred thirty-one billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred eleven".

Divisors: 1 13 19 37 247 481 703 9139 41521 79669 539773 788899 1035697 1513711 1536277 2947753 10255687 19678243 19971601 29189263 38320789 56007307 379460419 728094991 3307936549 43003175137 62850794431 122393652313 817060327603 1591117480069 2325479393947 30231232121311