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331220030130 = 232511334565687
BaseRepresentation
bin1001101000111100100…
…00001001001010110010
31011122221021220212211100
410310132100021022302
520411314311431010
6412054350425230
732633640542343
oct4643620111262
91148837825740
10331220030130
11118519087aa0
1254238b02216
1325306bac212
14120616120ca
15893847d2c0
hex4d1e4092b2

331220030130 has 48 divisors (see below), whose sum is σ = 939460451904. Its totient is φ = 80295764640.

The previous prime is 331220030123. The next prime is 331220030147. The reversal of 331220030130 is 31030022133.

331220030130 is a `hidden beast` number, since 3 + 312 + 20 + 0 + 301 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167281854 + ... + 167283833.

It is an arithmetic number, because the mean of its divisors is an integer number (19572092748).

Almost surely, 2331220030130 is an apocalyptic number.

331220030130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331220030130 is an abundant number, since it is smaller than the sum of its proper divisors (608240421774).

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

331220030130 is a wasteful number, since it uses less digits than its factorization.

331220030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334565711 (or 334565708 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 331220030130 its reverse (31030022133), we get a palindrome (362250052263).

The spelling of 331220030130 in words is "three hundred thirty-one billion, two hundred twenty million, thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 334565687 669131374 1003697061 1672828435 2007394122 3011091183 3345656870 3680222557 5018485305 6022182366 7360445114 10036970610 11040667671 15055455915 18401112785 22081335342 30110911830 33122003013 36802225570 55203338355 66244006026 110406676710 165610015065 331220030130