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231002301011321 = 7432012338137927
BaseRepresentation
bin110100100001100001101010…
…000110000001010101111001
31010021220121022112111201200002
4310201201222012001111321
5220234220203024330241
62135144554141522345
766441236236025630
oct6441415206012571
91107817275451602
10231002301011321
1167671586781144
1221aa99632733b5
139bb8567604208
1441087dcc6a517
151ba8d7760089b
hexd2186a181579

231002301011321 has 16 divisors (see below), whose sum is σ = 270155657401344. Its totient is φ = 193387659436944.

The previous prime is 231002301011311. The next prime is 231002301011347. The reversal of 231002301011321 is 123110103200132.

It is a happy number.

It is not a de Polignac number, because 231002301011321 - 210 = 231002301010297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231002301011293 and 231002301011302.

It is not an unprimeable number, because it can be changed into a prime (231002301011311) 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, 13011941 + ... + 25125986.

It is an arithmetic number, because the mean of its divisors is an integer number (16884728587584).

Almost surely, 2231002301011321 is an apocalyptic number.

It is an amenable number.

231002301011321 is a deficient number, since it is larger than the sum of its proper divisors (39153356390023).

231002301011321 is a wasteful number, since it uses less digits than its factorization.

231002301011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38158100.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 231002301011321 its reverse (123110103200132), we get a palindrome (354112404211453).

The spelling of 231002301011321 in words is "two hundred thirty-one trillion, two billion, three hundred one million, eleven thousand, three hundred twenty-one".

Divisors: 1 7 43 301 20123 140861 865289 6057023 38137927 266965489 1639930861 11479516027 767449505021 5372146535147 33000328715903 231002301011321