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231032312021302 = 21132390332421647
BaseRepresentation
bin110100100001111101100110…
…111000111100000100110110
31010022000110210001111222220021
4310201331212320330010312
5220240213133334140202
62135210440125555354
766443351031301561
oct6441754670740466
91108013701458807
10231032312021302
1167683287155130
1221ab3739a15b5a
139bbb33b05279c
14410a04893d4d8
151ba9a321a1a37
hexd21f66e3c136

231032312021302 has 16 divisors (see below), whose sum is σ = 378054053056512. Its totient is φ = 105014359826920.

The previous prime is 231032312021297. The next prime is 231032312021351. The reversal of 231032312021302 is 203120213230132.

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, 9084958 + ... + 23336689.

It is an arithmetic number, because the mean of its divisors is an integer number (23628378316032).

Almost surely, 2231032312021302 is an apocalyptic number.

231032312021302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231032312021302 is a deficient number, since it is larger than the sum of its proper divisors (147021741035210).

231032312021302 is a wasteful number, since it uses less digits than its factorization.

231032312021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32745563.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231032312021302 its reverse (203120213230132), we get a palindrome (434152525251434).

The spelling of 231032312021302 in words is "two hundred thirty-one trillion, thirty-two billion, three hundred twelve million, twenty-one thousand, three hundred two".

Divisors: 1 2 11 22 323903 647806 3562933 7125866 32421647 64843294 356638117 713276234 10501468728241 21002937456482 115516156010651 231032312021302