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2031023121030 = 232524193638687
BaseRepresentation
bin11101100011100010011…
…010010110001010000110
321012011102111022200112200
4131203202122112022012
5231234013404333110
64153012242055330
7266510434453041
oct35434232261206
97164374280480
102031023121030
1171339666a892
1228976164a546
131196a88a0517
1470432b43c58
1537c718536c0
hex1d8e2696286

2031023121030 has 48 divisors (see below), whose sum is σ = 5302571624064. Its totient is φ = 539358831360.

The previous prime is 2031023120999. The next prime is 2031023121053. The reversal of 2031023121030 is 301213201302.

2031023121030 is a `hidden beast` number, since 2 + 0 + 310 + 2 + 312 + 10 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2031023120994 and 2031023121012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46797654 + ... + 46841033.

It is an arithmetic number, because the mean of its divisors is an integer number (110470242168).

Almost surely, 22031023121030 is an apocalyptic number.

2031023121030 is an abundant number, since it is smaller than the sum of its proper divisors (3271548503034).

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

2031023121030 is a wasteful number, since it uses less digits than its factorization.

2031023121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93638941 (or 93638938 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2031023121030 its reverse (301213201302), we get a palindrome (2332236322332).

The spelling of 2031023121030 in words is "two trillion, thirty-one billion, twenty-three million, one hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 241 482 723 1205 1446 2169 2410 3615 4338 7230 10845 21690 93638687 187277374 280916061 468193435 561832122 842748183 936386870 1404580305 1685496366 2809160610 4213740915 8427481830 22566923567 45133847134 67700770701 112834617835 135401541402 203102312103 225669235670 338503853505 406204624206 677007707010 1015511560515 2031023121030