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2221302303031 = 729311033426989
BaseRepresentation
bin100000010100101111111…
…011110100100100110111
321212100120101011122121211
4200110233323310210313
5242343211342144111
64420241401222251
7316324641020560
oct40245773644467
97770511148554
102221302303031
1178705a2715a9
122ba605791987
13131610cc1486
1479723bb7167
153cbab6b5521
hex2052fef4937

2221302303031 has 32 divisors (see below), whose sum is σ = 2737205452800. Its totient is φ = 1761745991040.

The previous prime is 2221302303029. The next prime is 2221302303037. The reversal of 2221302303031 is 1303032031222.

It is not a de Polignac number, because 2221302303031 - 21 = 2221302303029 is a prime.

It is a super-2 number, since 2×22213023030312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221302302993 and 2221302303011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221302303037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065316 + ... + 2361673.

It is an arithmetic number, because the mean of its divisors is an integer number (85537670400).

Almost surely, 22221302303031 is an apocalyptic number.

2221302303031 is a deficient number, since it is larger than the sum of its proper divisors (515903149769).

2221302303031 is a wasteful number, since it uses less digits than its factorization.

2221302303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427159.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2221302303031 its reverse (1303032031222), we get a palindrome (3524334334253).

The spelling of 2221302303031 in words is "two trillion, two hundred twenty-one billion, three hundred two million, three hundred three thousand, thirty-one".

Divisors: 1 7 29 31 103 203 217 721 899 2987 3193 6293 20909 22351 92597 648179 3426989 23988923 99382681 106236659 352979867 695678767 743656613 2470859069 3080863111 10236416143 10942375877 21566041777 71654913001 76596631139 317328900433 2221302303031