Search a number
-
+
331102130120 = 2358277553253
BaseRepresentation
bin1001101000101110011…
…10011000111111001000
31011122122002001221102022
410310113032120333020
520411044121130440
6412034535424012
732631006445466
oct4642716307710
91148562057368
10331102130120
1111846857aa73
1254205525008
13252b863c0b8
141204dac1836
15892ce3ecb5
hex4d17398fc8

331102130120 has 16 divisors (see below), whose sum is σ = 744979792860. Its totient is φ = 132440852032.

The previous prime is 331102130087. The next prime is 331102130123. The reversal of 331102130120 is 21031201133.

It can be written as a sum of positive squares in 2 ways, for example, as 310563227524 + 20538902596 = 557282^2 + 143314^2 .

It is a super-2 number, since 2×3311021301202 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331102130123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138776587 + ... + 4138776666.

Almost surely, 2331102130120 is an apocalyptic number.

It is an amenable number.

331102130120 is an abundant number, since it is smaller than the sum of its proper divisors (413877662740).

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

331102130120 is a wasteful number, since it uses less digits than its factorization.

331102130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277553264 (or 8277553260 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 331102130120 its reverse (21031201133), we get a palindrome (352133331253).

The spelling of 331102130120 in words is "three hundred thirty-one billion, one hundred two million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 8277553253 16555106506 33110213012 41387766265 66220426024 82775532530 165551065060 331102130120