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231002312013301 = 23431169919965091
BaseRepresentation
bin110100100001100001101010…
…101111111111010111110101
31010021220121100022012200112211
4310201201222233333113311
5220234220213333411201
62135144555213413421
766441236431400443
oct6441415257772765
91107817308180484
10231002312013301
1167671591a06094
1221aa9966a9a271
139bb8569986b6a
1441088004d1b93
151ba8d78575651
hexd2186abff5f5

231002312013301 has 16 divisors (see below), whose sum is σ = 246672704678400. Its totient is φ = 215801699485680.

The previous prime is 231002312013287. The next prime is 231002312013329. The reversal of 231002312013301 is 103310213200132.

It is a cyclic number.

It is not a de Polignac number, because 231002312013301 - 27 = 231002312013173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231002312013401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587766 + ... + 21552856.

It is an arithmetic number, because the mean of its divisors is an integer number (15417044042400).

Almost surely, 2231002312013301 is an apocalyptic number.

It is an amenable number.

231002312013301 is a deficient number, since it is larger than the sum of its proper divisors (15670392665099).

231002312013301 is a wasteful number, since it uses less digits than its factorization.

231002312013301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19976856.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231002312013301 its reverse (103310213200132), we get a palindrome (334312525213433).

The spelling of 231002312013301 in words is "two hundred thirty-one trillion, two billion, three hundred twelve million, thirteen thousand, three hundred one".

Divisors: 1 23 43 989 11699 269077 503057 11570311 19965091 459197093 858498913 19745474999 233571599609 5372146791007 10043578783187 231002312013301