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3031311012 = 2231032452517
BaseRepresentation
bin1011010010101110…
…0010001010100100
321211020221112222020
42310223202022210
522202003423022
61220443303140
7135055501302
oct26453421244
97736845866
103031311012
111316106914
1270721aab0
13394028172
1420a837272
1512b1cb35c
hexb4ae22a4

3031311012 has 24 divisors (see below), whose sum is σ = 7141732416. Its totient is φ = 1000626528.

The previous prime is 3031311007. The next prime is 3031311047. The reversal of 3031311012 is 2101131303.

It is a junction number, because it is equal to n+sod(n) for n = 3031310982 and 3031311000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225023 + ... + 1227494.

It is an arithmetic number, because the mean of its divisors is an integer number (297572184).

Almost surely, 23031311012 is an apocalyptic number.

It is an amenable number.

3031311012 is an abundant number, since it is smaller than the sum of its proper divisors (4110421404).

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

3031311012 is a wasteful number, since it uses less digits than its factorization.

3031311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452627 (or 2452625 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3031311012 is about 55057.3429435166. The cubic root of 3031311012 is about 1447.2498028075.

Adding to 3031311012 its reverse (2101131303), we get a palindrome (5132442315).

The spelling of 3031311012 in words is "three billion, thirty-one million, three hundred eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 2452517 4905034 7357551 9810068 14715102 29430204 252609251 505218502 757827753 1010437004 1515655506 3031311012