Search a number
-
+
331332131320 = 235231655321757
BaseRepresentation
bin1001101001001001110…
…11110001100111111000
31011200020002212012202021
410310210323301213320
520412032011200240
6412113433244224
732636501435101
oct4644473614770
91150202765667
10331332131320
11118576394303
125426a563674
132532419ba98
14120724733a8
15894322354a
hex4d24ef19f8

331332131320 has 64 divisors (see below), whose sum is σ = 777992973120. Its totient is φ = 126757069824.

The previous prime is 331332131311. The next prime is 331332131357. The reversal of 331332131320 is 23131233133.

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, 15217882 + ... + 15239638.

It is an arithmetic number, because the mean of its divisors is an integer number (12156140205).

Almost surely, 2331332131320 is an apocalyptic number.

It is an amenable number.

331332131320 is an abundant number, since it is smaller than the sum of its proper divisors (446660841800).

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

331332131320 is a wasteful number, since it uses less digits than its factorization.

331332131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38344 (or 38340 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 331332131320 its reverse (23131233133), we get a palindrome (354463364453).

The spelling of 331332131320 in words is "three hundred thirty-one billion, three hundred thirty-two million, one hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 16553 21757 33106 43514 66212 82765 87028 108785 132424 165530 174056 217570 331060 380719 435140 500411 662120 761438 870280 1000822 1522876 1903595 2001644 2502055 3045752 3807190 4003288 5004110 7614380 10008220 15228760 20016440 360143621 720287242 1440574484 1800718105 2881148968 3601436210 7202872420 8283303283 14405744840 16566606566 33133213132 41416516415 66266426264 82833032830 165666065660 331332131320