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3101131230 = 2355310091933
BaseRepresentation
bin1011100011010111…
…1000000111011110
322000010022210022020
42320311320013132
522322342144410
61231420001010
7136564115631
oct27065700736
98003283266
103101131230
11135156487a
12726690166
133a5632bc2
14215c0dc18
151323bda70
hexb8d781de

3101131230 has 64 divisors (see below), whose sum is σ = 7594585920. Its totient is φ = 810141696.

The previous prime is 3101131223. The next prime is 3101131277. The reversal of 3101131230 is 321311013.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1603344 + ... + 1605276.

It is an arithmetic number, because the mean of its divisors is an integer number (118665405).

Almost surely, 23101131230 is an apocalyptic number.

3101131230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3101131230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3797292960).

3101131230 is an abundant number, since it is smaller than the sum of its proper divisors (4493454690).

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

3101131230 is a wasteful number, since it uses less digits than its factorization.

3101131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

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

The square root of 3101131230 is about 55687.8014469956. The cubic root of 3101131230 is about 1458.2770740601.

Adding to 3101131230 its reverse (321311013), we get a palindrome (3422442243).

The spelling of 3101131230 in words is "three billion, one hundred one million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1009 1590 1933 2018 3027 3866 5045 5799 6054 9665 10090 11598 15135 19330 28995 30270 53477 57990 102449 106954 160431 204898 267385 307347 320862 512245 534770 614694 802155 1024490 1536735 1604310 1950397 3073470 3900794 5851191 9751985 11702382 19503970 29255955 58511910 103371041 206742082 310113123 516855205 620226246 1033710410 1550565615 3101131230