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212233322131 = 1941431647977
BaseRepresentation
bin1100010110101000010…
…1110111111010010011
3202021210220102211122021
43011222011313322103
511434123212302011
6241255412352311
721222224321125
oct3055205677223
9667726384567
10212233322131
118200a1a5186
1235170615697
131702390711c
14a3b4ab7215
1557c2432471
hex316a177e93

212233322131 has 32 divisors (see below), whose sum is σ = 229973022720. Its totient is φ = 195201561600.

The previous prime is 212233322099. The next prime is 212233322149. The reversal of 212233322131 is 131223332212.

It is not a de Polignac number, because 212233322131 - 25 = 212233322099 is a prime.

It is a super-2 number, since 2×2122333221312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212233322096 and 212233322105.

It is not an unprimeable number, because it can be changed into a prime (212233322531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217229115 + ... + 217230091.

It is an arithmetic number, because the mean of its divisors is an integer number (7186656960).

Almost surely, 2212233322131 is an apocalyptic number.

212233322131 is a deficient number, since it is larger than the sum of its proper divisors (17739700589).

212233322131 is a wasteful number, since it uses less digits than its factorization.

212233322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115.

The product of its digits is 2592, while the sum is 25.

Adding to 212233322131 its reverse (131223332212), we get a palindrome (343456654343).

The spelling of 212233322131 in words is "two hundred twelve billion, two hundred thirty-three million, three hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 19 41 431 647 779 977 8189 12293 17671 18563 26527 40057 278857 335749 421087 504013 632119 761083 5298283 8000653 11433137 12010261 17264567 25916879 217229603 272443289 328026773 492420701 5176422491 11170174849 212233322131