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2131112212310 = 25991215046641
BaseRepresentation
bin11111000000110000001…
…011111011011101010110
321112201202212121100001102
4133000300023323131112
5234404004211243220
64311004110430102
7306652642630634
oct37006013733526
97481685540042
102131112212310
11751888316544
122a5035202332
13125c699a43a3
1475209956354
153a67d7da775
hex1f0302fb756

2131112212310 has 16 divisors (see below), whose sum is σ = 3839872839552. Its totient is φ = 851584694400.

The previous prime is 2131112212267. The next prime is 2131112212349. The reversal of 2131112212310 is 132122111312.

It is a super-2 number, since 2×21311122123102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107513411 + ... + 107533230.

It is an arithmetic number, because the mean of its divisors is an integer number (239992052472).

Almost surely, 22131112212310 is an apocalyptic number.

2131112212310 is a deficient number, since it is larger than the sum of its proper divisors (1708760627242).

2131112212310 is a wasteful number, since it uses less digits than its factorization.

2131112212310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215047639.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2131112212310 its reverse (132122111312), we get a palindrome (2263234323622).

The spelling of 2131112212310 in words is "two trillion, one hundred thirty-one billion, one hundred twelve million, two hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 10 991 1982 4955 9910 215046641 430093282 1075233205 2150466410 213111221231 426222442462 1065556106155 2131112212310