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312030222231100 = 225213441232148071
BaseRepresentation
bin100011011110010100011001…
…0100011100010011000111100
31111220210210112200111002210011
41012330220302203202120330
5311344300343342343400
63023344412153353004
7122503303534306402
oct10674506243423074
91456723480432704
10312030222231100
119047130192491a
122abb566a108764
1310515429228889
14570a4b418b472
15261194eb548ba
hex11bca328e263c

312030222231100 has 36 divisors (see below), whose sum is σ = 677155961289808. Its totient is φ = 124802802432000.

The previous prime is 312030222231089. The next prime is 312030222231149. The reversal of 312030222231100 is 1132222030213.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 114729936 + ... + 117418135.

Almost surely, 2312030222231100 is an apocalyptic number.

It is an amenable number.

312030222231100 is an abundant number, since it is smaller than the sum of its proper divisors (365125739058708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312030222231100 is a wasteful number, since it uses less digits than its factorization.

312030222231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232161526 (or 232161519 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312030222231100 its reverse (1132222030213), we get a palindrome (313162444261313).

The spelling of 312030222231100 in words is "three hundred twelve trillion, thirty billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 13441 26882 53764 67205 134410 268820 336025 672050 1344100 232148071 464296142 928592284 1160740355 2321480710 4642961420 5803701775 11607403550 23214807100 3120302222311 6240604444622 12481208889244 15601511111555 31203022223110 62406044446220 78007555557775 156015111115550 312030222231100