Search a number
-
+
1322312103231 = 3779797053709
BaseRepresentation
bin10011001111011111111…
…100010111010100111111
311200102010012111201211220
4103033133330113110333
5133131043344300411
62451243425244423
7164351061266130
oct23173774272477
94612105451756
101322312103231
1146a875789629
12194333793713
13979027c41a2
144800096dc87
15245e2b53b06
hex133dff1753f

1322312103231 has 16 divisors (see below), whose sum is σ = 2040457497600. Its totient is φ = 746042270688.

The previous prime is 1322312103199. The next prime is 1322312103383. The reversal of 1322312103231 is 1323012132231.

It is not a de Polignac number, because 1322312103231 - 25 = 1322312103199 is a prime.

It is a super-2 number, since 2×13223121032312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322312107231) 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, 398525196 + ... + 398528513.

It is an arithmetic number, because the mean of its divisors is an integer number (127528593600).

Almost surely, 21322312103231 is an apocalyptic number.

1322312103231 is a deficient number, since it is larger than the sum of its proper divisors (718145394369).

1322312103231 is an equidigital number, since it uses as much as digits as its factorization.

1322312103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797053798.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1322312103231 its reverse (1323012132231), we get a palindrome (2645324235462).

The spelling of 1322312103231 in words is "one trillion, three hundred twenty-two billion, three hundred twelve million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 3 7 21 79 237 553 1659 797053709 2391161127 5579375963 16738127889 62967243011 188901729033 440770701077 1322312103231