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31013312333230 = 2517414449542659
BaseRepresentation
bin1110000110100110110010…
…11101110000010110101110
311001210211210001121210002001
413003103121131300112232
513031110230424130410
6145543152523122514
76350431535200333
oct703233135602656
9131724701553061
1031013312333230
119977743329a37
12358a70767343a
13143c709705136
147930a382298a
1538bada0da33a
hex1c34d97705ae

31013312333230 has 32 divisors (see below), whose sum is σ = 60549376517280. Its totient is φ = 11390829204480.

The previous prime is 31013312333207. The next prime is 31013312333233. The reversal of 31013312333230 is 3233321331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013312333233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224764360 + ... + 2224778299.

It is an arithmetic number, because the mean of its divisors is an integer number (1892168016165).

Almost surely, 231013312333230 is an apocalyptic number.

31013312333230 is a deficient number, since it is larger than the sum of its proper divisors (29536064184050).

31013312333230 is a wasteful number, since it uses less digits than its factorization.

31013312333230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449542724.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31013312333230 its reverse (3233321331013), we get a palindrome (34246633664243).

The spelling of 31013312333230 in words is "thirty-one trillion, thirteen billion, three hundred twelve million, three hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 41 82 85 170 205 410 697 1394 3485 6970 4449542659 8899085318 22247713295 44495426590 75642225203 151284450406 182431249019 364862498038 378211126015 756422252030 912156245095 1824312490190 3101331233323 6202662466646 15506656166615 31013312333230