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3100131230 = 257163271703
BaseRepresentation
bin1011100011001000…
…0011111110011110
322000001102222120012
42320302003332132
522322113144410
61231342323222
7136552452320
oct27062037636
98001388505
103100131230
111350a41529
12726289512
133a53729a1
14215a2d610
15132272605
hexb8c83f9e

3100131230 has 32 divisors (see below), whose sum is σ = 6416561664. Its totient is φ = 1056377376.

The previous prime is 3100131227. The next prime is 3100131259. The reversal of 3100131230 is 321310013.

It is a super-2 number, since 2×31001312302 = 19221627286442625800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124442 + ... + 147261.

It is an arithmetic number, because the mean of its divisors is an integer number (200517552).

Almost surely, 23100131230 is an apocalyptic number.

3100131230 is an abundant number, since it is smaller than the sum of its proper divisors (3316430434).

3100131230 is a wasteful number, since it uses less digits than its factorization.

3100131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271880.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 3100131230 is about 55678.8220960178. The cubic root of 3100131230 is about 1458.1203104212.

Adding to 3100131230 its reverse (321310013), we get a palindrome (3421441243).

The spelling of 3100131230 in words is "three billion, one hundred million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 163 326 815 1141 1630 2282 5705 11410 271703 543406 1358515 1901921 2717030 3803842 9509605 19019210 44287589 88575178 221437945 310013123 442875890 620026246 1550065615 3100131230