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10231102231 = 717300128649
BaseRepresentation
bin10011000011101001…
…00011101100010111
3222102000121211210021
421201310203230113
5131423130232411
64411120010011
7511351635250
oct114164435427
928360554707
1010231102231
114380210599
121b96460907
13c7084435c
146d0b1db27
153ed30ca71
hex261d23b17

10231102231 has 16 divisors (see below), whose sum is σ = 12385051200. Its totient is φ = 8250624000.

The previous prime is 10231102181. The next prime is 10231102243. The reversal of 10231102231 is 13220113201.

10231102231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10231102231 - 227 = 10096884503 is a prime.

It is a super-2 number, since 2×102311022312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231102631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342795 + ... + 371443.

It is an arithmetic number, because the mean of its divisors is an integer number (774065700).

Almost surely, 210231102231 is an apocalyptic number.

10231102231 is a deficient number, since it is larger than the sum of its proper divisors (2153948969).

10231102231 is a wasteful number, since it uses less digits than its factorization.

10231102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31674.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10231102231 its reverse (13220113201), we get a palindrome (23451215432).

The spelling of 10231102231 in words is "ten billion, two hundred thirty-one million, one hundred two thousand, two hundred thirty-one".

Divisors: 1 7 17 119 3001 21007 28649 51017 200543 357119 487033 3409231 85975649 601829543 1461586033 10231102231