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231340210233 = 31151011374301
BaseRepresentation
bin1101011101110011110…
…0110111100000111001
3211010010111102022200120
43113130330313200321
512242241043211413
6254135355323453
722466553225216
oct3273474674071
9733114368616
10231340210233
118a124576aa0
1238a03450589
1318a7a25a682
14b2a8516b0d
15603ea82723
hex35dcf37839

231340210233 has 16 divisors (see below), whose sum is σ = 336561062592. Its totient is φ = 140178600000.

The previous prime is 231340210229. The next prime is 231340210261. The reversal of 231340210233 is 332012043132.

It is not a de Polignac number, because 231340210233 - 22 = 231340210229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231340210223) 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 15 ways as a sum of consecutive naturals, for example, 518818 + ... + 855483.

It is an arithmetic number, because the mean of its divisors is an integer number (21035066412).

Almost surely, 2231340210233 is an apocalyptic number.

It is an amenable number.

231340210233 is a deficient number, since it is larger than the sum of its proper divisors (105220852359).

231340210233 is a wasteful number, since it uses less digits than its factorization.

231340210233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379416.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 231340210233 its reverse (332012043132), we get a palindrome (563352253365).

The spelling of 231340210233 in words is "two hundred thirty-one billion, three hundred forty million, two hundred ten thousand, two hundred thirty-three".

Divisors: 1 3 11 33 5101 15303 56111 168333 1374301 4122903 15117311 45351933 7010309401 21030928203 77113403411 231340210233