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1231430352334 = 271323572870641
BaseRepresentation
bin10001111010110110111…
…101111111110111001110
311100201112111110102212221
4101322312331333313032
5130133432132233314
62341413350045554
7154652664201220
oct21726675776716
94321474412787
101231430352334
1143527936aa96
1217a7ab6498ba
138c17b0c7a20
144385c906410
15220741a2824
hex11eb6f7fdce

1231430352334 has 32 divisors (see below), whose sum is σ = 2274375208896. Its totient is φ = 486952404480.

The previous prime is 1231430352319. The next prime is 1231430352391. The reversal of 1231430352334 is 4332530341321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231430352334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006347 + ... + 1864294.

It is an arithmetic number, because the mean of its divisors is an integer number (71074225278).

Almost surely, 21231430352334 is an apocalyptic number.

1231430352334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1231430352334 is a deficient number, since it is larger than the sum of its proper divisors (1042944856562).

1231430352334 is a wasteful number, since it uses less digits than its factorization.

1231430352334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873020.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 1231430352334 its reverse (4332530341321), we get a palindrome (5563960693655).

The spelling of 1231430352334 in words is "one trillion, two hundred thirty-one billion, four hundred thirty million, three hundred fifty-two thousand, three hundred thirty-four".

Divisors: 1 2 7 13 14 26 91 182 2357 4714 16499 30641 32998 61282 214487 428974 2870641 5741282 20094487 37318333 40188974 74636666 261228331 522456662 6766100837 13532201674 47362705859 87959310881 94725411718 175918621762 615715176167 1231430352334