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212430441031 is a prime number
BaseRepresentation
bin1100010111010111010…
…1110100101001000111
3202022022122100111221021
43011311311310221013
511440024143103111
6241331133332011
721230136645604
oct3056565645107
9668278314837
10212430441031
118210049a566
1235206637007
13170556c2c23
14a3d2d496ab
1557d48bcd71
hex3175d74a47

212430441031 has 2 divisors, whose sum is σ = 212430441032. Its totient is φ = 212430441030.

The previous prime is 212430441017. The next prime is 212430441073. The reversal of 212430441031 is 130144034212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212430441031 - 225 = 212396886599 is a prime.

It is a super-2 number, since 2×2124304410312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212430440987 and 212430441005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212430441731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106215220515 + 106215220516.

It is an arithmetic number, because the mean of its divisors is an integer number (106215220516).

Almost surely, 2212430441031 is an apocalyptic number.

212430441031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212430441031 is an equidigital number, since it uses as much as digits as its factorization.

212430441031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212430441031 its reverse (130144034212), we get a palindrome (342574475243).

The spelling of 212430441031 in words is "two hundred twelve billion, four hundred thirty million, four hundred forty-one thousand, thirty-one".