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531245331037 is a prime number
BaseRepresentation
bin1111011101100001011…
…00000111001001011101
31212210020101210222122101
413232300230013021131
532200442301043122
61044014543045101
753244516544051
oct7566054071135
91783211728571
10531245331037
1119533315a133
1286b60ba0791
133b133519535
141b9d8bdbc61
15dc43c4e027
hex7bb0b0725d

531245331037 has 2 divisors, whose sum is σ = 531245331038. Its totient is φ = 531245331036.

The previous prime is 531245330971. The next prime is 531245331049. The reversal of 531245331037 is 730133542135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428807567556 + 102437763481 = 654834^2 + 320059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-531245331037 is a prime.

It is a super-2 number, since 2×5312453310372 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531245330987 and 531245331005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531245335037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265622665518 + 265622665519.

It is an arithmetic number, because the mean of its divisors is an integer number (265622665519).

Almost surely, 2531245331037 is an apocalyptic number.

It is an amenable number.

531245331037 is a deficient number, since it is larger than the sum of its proper divisors (1).

531245331037 is an equidigital number, since it uses as much as digits as its factorization.

531245331037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 531245331037 in words is "five hundred thirty-one billion, two hundred forty-five million, three hundred thirty-one thousand, thirty-seven".