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231353231020346 = 2317591364231403
BaseRepresentation
bin110100100110101000011111…
…001001110001000100111010
31010100011011010110020021120202
4310212220133021301010322
5220310442404120122341
62140014112421522202
766505501510626521
oct6446503711610472
91110134113207522
10231353231020346
11677973995a9a96
1221b45980b73362
139c12692a75326
14411b7b002b4b8
151bb306610c79b
hexd26a1f27113a

231353231020346 has 8 divisors (see below), whose sum is σ = 347030940177504. Its totient is φ = 115676250961180.

The previous prime is 231353231020283. The next prime is 231353231020357. The reversal of 231353231020346 is 643020132353132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 181480520 + ... + 182750883.

It is an arithmetic number, because the mean of its divisors is an integer number (43378867522188).

Almost surely, 2231353231020346 is an apocalyptic number.

231353231020346 is a deficient number, since it is larger than the sum of its proper divisors (115677709157158).

231353231020346 is a wasteful number, since it uses less digits than its factorization.

231353231020346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364548996.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 231353231020346 its reverse (643020132353132), we get a palindrome (874373363373478).

The spelling of 231353231020346 in words is "two hundred thirty-one trillion, three hundred fifty-three billion, two hundred thirty-one million, twenty thousand, three hundred forty-six".

Divisors: 1 2 317591 635182 364231403 728462806 115676615510173 231353231020346