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231020000332 = 221129473852131
BaseRepresentation
bin1101011100100111011…
…1010111010001001100
3211002022011212222021121
43113021313113101030
512241112110002312
6254043520210324
722455614413522
oct3271167272114
9732264788247
10231020000332
1189a7a849610
12389341699a4
1318a28b04a64
14b277ba2312
1560218d0707
hex35c9dd744c

231020000332 has 48 divisors (see below), whose sum is σ = 465953886720. Its totient is φ = 99230868800.

The previous prime is 231020000317. The next prime is 231020000339. The reversal of 231020000332 is 233000020132.

It is a super-2 number, since 2×2310200003322 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231020000339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1866094 + ... + 1986037.

It is an arithmetic number, because the mean of its divisors is an integer number (9707372640).

Almost surely, 2231020000332 is an apocalyptic number.

231020000332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231020000332 is an abundant number, since it is smaller than the sum of its proper divisors (234933886388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231020000332 is a wasteful number, since it uses less digits than its factorization.

231020000332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852222 (or 3852220 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 231020000332 its reverse (233000020132), we get a palindrome (464020020464).

The spelling of 231020000332 in words is "two hundred thirty-one billion, twenty million, three hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 11 22 29 44 47 58 94 116 188 319 517 638 1034 1276 1363 2068 2726 5452 14993 29986 59972 3852131 7704262 15408524 42373441 84746882 111711799 169493764 181050157 223423598 362100314 446847196 724200628 1228829789 1991551727 2457659578 3983103454 4915319156 5250454553 7966206908 10500909106 21001818212 57755000083 115510000166 231020000332