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2031302320212 = 2231192391665619
BaseRepresentation
bin11101100011110011000…
…011011010000001010100
321012012010221200110211010
4131203303003122001110
5231240101343221322
64153100054212220
7266520364556604
oct35436303320124
97165127613733
102031302320212
1171351a227310
1228981b054070
13119721697539
147045bc60c04
1537c8b10420c
hex1d8f30da054

2031302320212 has 48 divisors (see below), whose sum is σ = 5171150476800. Its totient is φ = 615479163360.

The previous prime is 2031302320211. The next prime is 2031302320283. The reversal of 2031302320212 is 2120232031302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031302320211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 386739 + ... + 2052357.

It is an arithmetic number, because the mean of its divisors is an integer number (107732301600).

Almost surely, 22031302320212 is an apocalyptic number.

2031302320212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2031302320212 is an abundant number, since it is smaller than the sum of its proper divisors (3139848156588).

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

2031302320212 is a wasteful number, since it uses less digits than its factorization.

2031302320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674876 (or 1674874 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2031302320212 its reverse (2120232031302), we get a palindrome (4151534351514).

The spelling of 2031302320212 in words is "two trillion, thirty-one billion, three hundred two million, three hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 9239 18478 27717 36956 55434 101629 110868 203258 304887 406516 609774 1219548 1665619 3331238 4996857 6662476 9993714 18321809 19987428 36643618 54965427 73287236 109930854 219861708 15388653941 30777307882 46165961823 61554615764 92331923646 169275193351 184663847292 338550386702 507825580053 677100773404 1015651160106 2031302320212