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2431033421 is a prime number
BaseRepresentation
bin1001000011100110…
…1010000001001101
320021102102021220212
42100321222001031
514434321032141
61041121252205
7114146304665
oct22071520115
96242367825
102431033421
111038289433
1257a194065
132c986311b
14190c1b1a5
15e36562eb
hex90e6a04d

2431033421 has 2 divisors, whose sum is σ = 2431033422. Its totient is φ = 2431033420.

The previous prime is 2431033403. The next prime is 2431033433. The reversal of 2431033421 is 1243301342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2425562500 + 5470921 = 49250^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431033421 - 26 = 2431033357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2431033481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215516710 + 1215516711.

It is an arithmetic number, because the mean of its divisors is an integer number (1215516711).

Almost surely, 22431033421 is an apocalyptic number.

It is an amenable number.

2431033421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431033421 is an equidigital number, since it uses as much as digits as its factorization.

2431033421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2431033421 is about 49305.5110611380. The cubic root of 2431033421 is about 1344.6119804042.

Adding to 2431033421 its reverse (1243301342), we get a palindrome (3674334763).

The spelling of 2431033421 in words is "two billion, four hundred thirty-one million, thirty-three thousand, four hundred twenty-one".