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331230313214242 = 213175391713898953
BaseRepresentation
bin100101101010000001001000…
…1001010000111000100100010
31121102210022100001000021212021
41023110002101022013010202
5321403334140140323432
63132245034421252054
7126524412641015251
oct11324022112070442
91542708301007767
10331230313214242
11965a3a94720142
12311967a186402a
13112a8b6636a510
145bb18c01a8798
1528460d96bb697
hex12d4091287122

331230313214242 has 32 divisors (see below), whose sum is σ = 566549274139632. Its totient is φ = 143880172038144.

The previous prime is 331230313214233. The next prime is 331230313214287. The reversal of 331230313214242 is 242412313032133.

It can be written as a sum of positive squares in 8 ways, for example, as 20471272181361 + 310759041032881 = 4524519^2 + 17628359^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 331230313214198 and 331230313214207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16881838 + ... + 30780790.

Almost surely, 2331230313214242 is an apocalyptic number.

331230313214242 is a deficient number, since it is larger than the sum of its proper divisors (235318960925390).

331230313214242 is a wasteful number, since it uses less digits than its factorization.

331230313214242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13952902.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 331230313214242 its reverse (242412313032133), we get a palindrome (573642626246375).

The spelling of 331230313214242 in words is "three hundred thirty-one trillion, two hundred thirty billion, three hundred thirteen million, two hundred fourteen thousand, two hundred forty-two".

Divisors: 1 2 13 17 26 34 221 442 53917 107834 700921 916589 1401842 1833178 11915657 13898953 23831314 27797906 180686389 236282201 361372778 472564402 3071668613 6143337226 749389848901 1498779697802 9742068035713 12739627431317 19484136071426 25479254862634 165615156607121 331230313214242