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312312213214 = 21941491408263
BaseRepresentation
bin1001000101101110100…
…00100010111011011110
31002212010120112021002221
410202313100202323132
520104103411310324
6355250234335554
731364250003601
oct4426720427336
91085116467087
10312312213214
111104a6114321
125064088a5ba
13235b2879281
141118a3d2338
1581cd5520e4
hex48b7422ede

312312213214 has 32 divisors (see below), whose sum is σ = 506182037760. Its totient is φ = 144034833600.

The previous prime is 312312213211. The next prime is 312312213223. The reversal of 312312213214 is 412312213213.

It is a super-3 number, since 3×3123122132143 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312312213211) 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, 560847 + ... + 969109.

It is an arithmetic number, because the mean of its divisors is an integer number (15818188680).

Almost surely, 2312312213214 is an apocalyptic number.

312312213214 is a deficient number, since it is larger than the sum of its proper divisors (193869824546).

312312213214 is a wasteful number, since it uses less digits than its factorization.

312312213214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408816.

The product of its digits is 1728, while the sum is 25.

Adding to 312312213214 its reverse (412312213213), we get a palindrome (724624426427).

Subtracting 312312213214 from its reverse (412312213213), we obtain a palindrome (99999999999).

The spelling of 312312213214 in words is "three hundred twelve billion, three hundred twelve million, two hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 19 38 41 82 491 779 982 1558 9329 18658 20131 40262 382489 408263 764978 816526 7756997 15513994 16738783 33477566 200457133 318036877 400914266 636073754 3808685527 7617371054 8218742453 16437484906 156156106607 312312213214