Search a number
-
+
131113203222 = 231711093115877
BaseRepresentation
bin111101000011011110…
…1001011011000010110
3110112102111121211100210
41322012331023120112
54122004440000342
6140122122550250
712321051560541
oct1720675133026
9415374554323
10131113203222
1150671a921a1
12214b1668386
13c4966c9071
1464bb283858
15362595679c
hex1e86f4b616

131113203222 has 32 divisors (see below), whose sum is σ = 277678914912. Its totient is φ = 41129490944.

The previous prime is 131113203163. The next prime is 131113203241. The reversal of 131113203222 is 222302311131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073548 + ... + 1189424.

It is an arithmetic number, because the mean of its divisors is an integer number (8677466091).

Almost surely, 2131113203222 is an apocalyptic number.

131113203222 is an abundant number, since it is smaller than the sum of its proper divisors (146565711690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131113203222 is a wasteful number, since it uses less digits than its factorization.

131113203222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126992.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131113203222 its reverse (222302311131), we get a palindrome (353415514353).

The spelling of 131113203222 in words is "one hundred thirty-one billion, one hundred thirteen million, two hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 11093 22186 33279 66558 115877 188581 231754 347631 377162 565743 695262 1131486 1969909 3939818 5909727 11819454 1285423561 2570847122 3856270683 7712541366 21852200537 43704401074 65556601611 131113203222