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970239031 is a prime number
BaseRepresentation
bin111001110101001…
…010110000110111
32111121200020201221
4321311022300313
53441340122111
6240135331211
733020616136
oct7165126067
92447606657
10970239031
11458746a43
12230b20b07
13126019c48
1492c0191d
155a2a3371
hex39d4ac37

970239031 has 2 divisors, whose sum is σ = 970239032. Its totient is φ = 970239030.

The previous prime is 970239013. The next prime is 970239037. The reversal of 970239031 is 130932079.

Together with previous prime (970239013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 970239031 - 25 = 970238999 is a prime.

It is a super-2 number, since 2×9702390312 = 1882727554551637922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (970239037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485119515 + 485119516.

It is an arithmetic number, because the mean of its divisors is an integer number (485119516).

Almost surely, 2970239031 is an apocalyptic number.

970239031 is a deficient number, since it is larger than the sum of its proper divisors (1).

970239031 is an equidigital number, since it uses as much as digits as its factorization.

970239031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 970239031 is about 31148.6601798536. The cubic root of 970239031 is about 989.9796040419.

The spelling of 970239031 in words is "nine hundred seventy million, two hundred thirty-nine thousand, thirty-one".