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2311330142 = 211228573343
BaseRepresentation
bin1000100111000100…
…0001100101011110
312222002011201220002
42021301001211132
514213200031032
61021203454302
7111163660562
oct21161014536
95862151802
102311330142
11a8675a600
12546087392
132aab11294
1417cd7b6a2
15d7dad862
hex89c4195e

2311330142 has 24 divisors (see below), whose sum is σ = 3813303648. Its totient is φ = 1049922720.

The previous prime is 2311330121. The next prime is 2311330163. The reversal of 2311330142 is 2410331132.

It is an interprime number because it is at equal distance from previous prime (2311330121) and next prime (2311330163).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689723 + ... + 693065.

It is an arithmetic number, because the mean of its divisors is an integer number (158887652).

Almost surely, 22311330142 is an apocalyptic number.

2311330142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2311330142 is a deficient number, since it is larger than the sum of its proper divisors (1501973506).

2311330142 is a wasteful number, since it uses less digits than its factorization.

2311330142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2311330142 is about 48076.2950111591. The cubic root of 2311330142 is about 1322.1700878151.

Adding to 2311330142 its reverse (2410331132), we get a palindrome (4721661274).

The spelling of 2311330142 in words is "two billion, three hundred eleven million, three hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 11 22 121 242 2857 3343 5714 6686 31427 36773 62854 73546 345697 404503 691394 809006 9550951 19101902 105060461 210120922 1155665071 2311330142