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331230030340 = 2251112371217131
BaseRepresentation
bin1001101000111101101…
…10010010101000000100
31011122221222201221112111
410310132312102220010
520411324341432330
6412055345030404
732634121542436
oct4643666225004
91148858657474
10331230030340
11118523798330
1254240325404
1325308ca0bc1
1412062a96656
1589392a632a
hex4d1ed92a04

331230030340 has 48 divisors (see below), whose sum is σ = 759431945664. Its totient is φ = 120349814400.

The previous prime is 331230030337. The next prime is 331230030353. The reversal of 331230030340 is 43030032133.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336426 + ... + 880705.

It is an arithmetic number, because the mean of its divisors is an integer number (15821498868).

Almost surely, 2331230030340 is an apocalyptic number.

It is an amenable number.

331230030340 is an abundant number, since it is smaller than the sum of its proper divisors (428201915324).

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

331230030340 is a wasteful number, since it uses less digits than its factorization.

331230030340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218388 (or 1218386 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 331230030340 its reverse (43030032133), we get a palindrome (374260062473).

The spelling of 331230030340 in words is "three hundred thirty-one billion, two hundred thirty million, thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1237 2474 4948 6185 12370 13607 24740 27214 54428 68035 136070 272140 1217131 2434262 4868524 6085655 12171310 13388441 24342620 26776882 53553764 66942205 133884410 267768820 1505591047 3011182094 6022364188 7527955235 15055910470 16561501517 30111820940 33123003034 66246006068 82807507585 165615015170 331230030340