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10231210123231 = 971011377622779
BaseRepresentation
bin1001010011100010001110…
…1001010001111111011111
31100020002112121212110200211
42110320203221101333133
52320112004242420411
633432053020233251
72104115632100236
oct224704351217737
940202477773624
1010231210123231
113295039429799
121192a6369b827
13592a50469926
1427529c261b1d
1512b20d37b221
hex94e23a51fdf

10231210123231 has 16 divisors (see below), whose sum is σ = 10515228625440. Its totient is φ = 9952298956800.

The previous prime is 10231210123219. The next prime is 10231210123333. The reversal of 10231210123231 is 13232101213201.

It is a cyclic number.

It is not a de Polignac number, because 10231210123231 - 219 = 10231209598943 is a prime.

It is a super-2 number, since 2×102312101232312 (a number of 27 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 (10231210123531) 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, 2469201 + ... + 5153578.

It is an arithmetic number, because the mean of its divisors is an integer number (657201789090).

Almost surely, 210231210123231 is an apocalyptic number.

10231210123231 is a deficient number, since it is larger than the sum of its proper divisors (284018502209).

10231210123231 is a wasteful number, since it uses less digits than its factorization.

10231210123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623114.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10231210123231 its reverse (13232101213201), we get a palindrome (23463311336432).

The spelling of 10231210123231 in words is "ten trillion, two hundred thirty-one billion, two hundred ten million, one hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 97 101 137 9797 13289 13837 1342189 7622779 739409563 769900679 1044320723 74680365863 101299110131 105476393023 10231210123231