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212332023131 = 316849420101
BaseRepresentation
bin1100010110111111111…
…0011000110101011011
3202022001210011100221212
43011233332120311123
511434323444220011
6241313300053335
721224533263134
oct3055776306533
9668053140855
10212332023131
118205a989758
123519969424b
131703b1b4597
14a3c3c4ac8b
1557cae2c08b
hex316ff98d5b

212332023131 has 4 divisors (see below), whose sum is σ = 219181443264. Its totient is φ = 205482603000.

The previous prime is 212332023121. The next prime is 212332023133. The reversal of 212332023131 is 131320233212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212332023131 - 222 = 212327828827 is a prime.

It is a super-2 number, since 2×2123320231312 (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 = 212332023097 and 212332023106.

It is not an unprimeable number, because it can be changed into a prime (212332023133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3424710020 + ... + 3424710081.

It is an arithmetic number, because the mean of its divisors is an integer number (54795360816).

Almost surely, 2212332023131 is an apocalyptic number.

212332023131 is a deficient number, since it is larger than the sum of its proper divisors (6849420133).

212332023131 is an equidigital number, since it uses as much as digits as its factorization.

212332023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849420132.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212332023131 its reverse (131320233212), we get a palindrome (343652256343).

The spelling of 212332023131 in words is "two hundred twelve billion, three hundred thirty-two million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 31 6849420101 212332023131