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2431311112 = 23303913889
BaseRepresentation
bin1001000011101010…
…1101110100001000
320021102221101211201
42100322231310020
514434403423422
61041131233544
7114151542406
oct22072556410
96242841751
102431311112
11103845902a
1257a2a88b4
132c992c639
14190c90476
15e36ad727
hex90eadd08

2431311112 has 8 divisors (see below), whose sum is σ = 4558708350. Its totient is φ = 1215655552.

The previous prime is 2431311109. The next prime is 2431311199. The reversal of 2431311112 is 2111131342.

It can be written as a sum of positive squares in only one way, i.e., 2425956516 + 5354596 = 49254^2 + 2314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×24313111122 = 11822547446669353088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2431311112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151956937 + ... + 151956952.

Almost surely, 22431311112 is an apocalyptic number.

It is an amenable number.

2431311112 is a deficient number, since it is larger than the sum of its proper divisors (2127397238).

2431311112 is a wasteful number, since it uses less digits than its factorization.

2431311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303913895 (or 303913891 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 2431311112 is about 49308.3270046754. The cubic root of 2431311112 is about 1344.6631757005.

Adding to 2431311112 its reverse (2111131342), we get a palindrome (4542442454).

The spelling of 2431311112 in words is "two billion, four hundred thirty-one million, three hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 303913889 607827778 1215655556 2431311112