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311430024020422 = 22129135829538471
BaseRepresentation
bin100011011001111100111001…
…1111101000100000111000110
31111211200102022211122220100201
41012303321303331010013012
5311304432142122123142
63022204551123001114
7122412035213555566
oct10663716375040706
91454612284586321
10311430024020422
119025a80566074a
122ab19284b0919a
13104a09574bc658
1456c941786cda6
1526010226d2ab7
hex11b3e73f441c6

311430024020422 has 16 divisors (see below), whose sum is σ = 467368764746400. Its totient is φ = 155640437124480.

The previous prime is 311430024020413. The next prime is 311430024020459. The reversal of 311430024020422 is 224020420034113.

It is a super-2 number, since 2×3114300240204222 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578090647 + ... + 578629117.

It is an arithmetic number, because the mean of its divisors is an integer number (29210547796650).

Almost surely, 2311430024020422 is an apocalyptic number.

311430024020422 is a deficient number, since it is larger than the sum of its proper divisors (155938740725978).

311430024020422 is a wasteful number, since it uses less digits than its factorization.

311430024020422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676431.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 311430024020422 its reverse (224020420034113), we get a palindrome (535450444054535).

The spelling of 311430024020422 in words is "three hundred eleven trillion, four hundred thirty billion, twenty-four million, twenty thousand, four hundred twenty-two".

Divisors: 1 2 2129 4258 135829 271658 538471 1076942 289179941 578359882 1146404759 2292809518 73139977459 146279954918 155715012010211 311430024020422