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20311341430330 = 252031134143033
BaseRepresentation
bin1001001111001000110100…
…10010100111011000111010
32122220202010022021220000001
410213210122102213120322
510130240111401232310
6111110522413303214
74164305655352636
oct447443222473072
978822108256001
1020311341430330
116520a9a7a3855
122340583194b0a
13b444749b2662
14503107749dc6
1525352807893a
hex12791a4a763a

20311341430330 has 8 divisors (see below), whose sum is σ = 36560414574612. Its totient is φ = 8124536572128.

The previous prime is 20311341430301. The next prime is 20311341430411. The reversal of 20311341430330 is 3303414311302.

It can be written as a sum of positive squares in 2 ways, for example, as 18760965320449 + 1550376109881 = 4331393^2 + 1245141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015567071507 + ... + 1015567071526.

Almost surely, 220311341430330 is an apocalyptic number.

20311341430330 is a deficient number, since it is larger than the sum of its proper divisors (16249073144282).

20311341430330 is a wasteful number, since it uses less digits than its factorization.

20311341430330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031134143040.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20311341430330 its reverse (3303414311302), we get a palindrome (23614755741632).

The spelling of 20311341430330 in words is "twenty trillion, three hundred eleven billion, three hundred forty-one million, four hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 2031134143033 4062268286066 10155670715165 20311341430330