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2311013130 = 235195876907
BaseRepresentation
bin1000100110111111…
…0100001100001010
312222001120122000220
42021233310030022
514213104410010
61021153010510
7111161200416
oct21157641412
95861518026
102311013130
11a86563408
12545b53a36
132aaa2cbba
1417ccd7d46
15d7d49970
hex89bf430a

2311013130 has 64 divisors (see below), whose sum is σ = 5849141760. Its totient is φ = 582755904.

The previous prime is 2311013123. The next prime is 2311013137. The reversal of 2311013130 is 313101132.

It is an interprime number because it is at equal distance from previous prime (2311013123) and next prime (2311013137).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2311013137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331137 + ... + 338043.

It is an arithmetic number, because the mean of its divisors is an integer number (91392840).

Almost surely, 22311013130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311013130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2924570880).

2311013130 is an abundant number, since it is smaller than the sum of its proper divisors (3538128630).

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

2311013130 is a wasteful number, since it uses less digits than its factorization.

2311013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523.

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

The square root of 2311013130 is about 48072.9979302311. The cubic root of 2311013130 is about 1322.1096373498.

Adding to 2311013130 its reverse (313101132), we get a palindrome (2624114262).

The spelling of 2311013130 in words is "two billion, three hundred eleven million, thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 587 1174 1761 2935 3522 5870 6907 8805 11153 13814 17610 20721 22306 33459 34535 41442 55765 66918 69070 103605 111530 131233 167295 207210 262466 334590 393699 656165 787398 1312330 1968495 3936990 4054409 8108818 12163227 20272045 24326454 40544090 60816135 77033771 121632270 154067542 231101313 385168855 462202626 770337710 1155506565 2311013130