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230013003231 = 321126115592221
BaseRepresentation
bin1101011000110111010…
…1111110010111011111
3210222201000001012221200
43112031311332113133
512232031312100411
6253355544530543
722421636161104
oct3261565762737
9728630035850
10230013003231
1189603386800
12386b2a80a53
13188c82b7a9b
14b1c0152aab
155eb32bae56
hex358dd7e5df

230013003231 has 72 divisors (see below), whose sum is σ = 371582571360. Its totient is φ = 136966896000.

The previous prime is 230013003221. The next prime is 230013003277. The reversal of 230013003231 is 132300310032.

230013003231 is a `hidden beast` number, since 2 + 300 + 1 + 300 + 32 + 31 = 666.

It is not a de Polignac number, because 230013003231 - 29 = 230013002719 is a prime.

It is a super-2 number, since 2×2300130032312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230013003221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 103561701 + ... + 103563921.

Almost surely, 2230013003231 is an apocalyptic number.

230013003231 is a deficient number, since it is larger than the sum of its proper divisors (141569568129).

230013003231 is a wasteful number, since it uses less digits than its factorization.

230013003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869 (or 3855 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 230013003231 its reverse (132300310032), we get a palindrome (362313313263).

The spelling of 230013003231 in words is "two hundred thirty billion, thirteen million, three thousand, two hundred thirty-one".

Divisors: 1 3 9 11 33 61 99 121 183 363 549 671 1089 1559 2013 2221 4677 6039 6663 7381 14031 17149 19989 22143 24431 51447 66429 73293 95099 135481 154341 188639 219879 268741 285297 406443 565917 806223 855891 1046089 1219329 1490291 1697751 2418669 3138267 3462539 4470873 9414801 10387617 11506979 13412619 16393201 31162851 34520937 38087929 49179603 103562811 114263787 147538809 211214879 342791361 418967219 633644637 1256901657 1900933911 2323363669 3770704971 6970091007 20910273021 25557000359 76671001077 230013003231