Search a number
-
+
1102310231231 = 11267313739859
BaseRepresentation
bin10000000010100110110…
…011110100110010111111
310220101020220011200012102
4100002212303310302333
5121030012404344411
62202221101455315
7142432163240366
oct20024663646277
93811226150172
101102310231231
1139553a42aa00
1215977557153b
137cc415c32c1
143b4d023a7dd
151da186e3d3b
hex100a6cf4cbf

1102310231231 has 24 divisors (see below), whose sum is σ = 1214437544880. Its totient is φ = 999781009920.

The previous prime is 1102310231203. The next prime is 1102310231257. The reversal of 1102310231231 is 1321320132011.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-1102310231231 is a prime.

It is a super-2 number, since 2×11023102312312 (a number of 25 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 (1102310231261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111802580 + ... + 111812438.

It is an arithmetic number, because the mean of its divisors is an integer number (50601564370).

Almost surely, 21102310231231 is an apocalyptic number.

1102310231231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102310231231 is a deficient number, since it is larger than the sum of its proper divisors (112127313649).

1102310231231 is a wasteful number, since it uses less digits than its factorization.

1102310231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11927 (or 11916 counting only the distinct ones).

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

Adding to 1102310231231 its reverse (1321320132011), we get a palindrome (2423630363242).

The spelling of 1102310231231 in words is "one trillion, one hundred two billion, three hundred ten million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 11 121 673 1373 7403 9859 15103 81433 108449 166133 924029 1192939 6635107 10164319 13536407 72986177 111807509 148900477 802847947 1637905247 9110001911 100210021021 1102310231231