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31023432067 is a prime number
BaseRepresentation
bin11100111001001001…
…000000000110000011
32222002002001122020111
4130321021000012003
51002013444311232
622130231452151
72145534551545
oct347111000603
988062048214
1031023432067
111217aa11761
126019827057
132c054178c4
141704335695
15c188d8047
hex739240183

31023432067 has 2 divisors, whose sum is σ = 31023432068. Its totient is φ = 31023432066.

The previous prime is 31023431963. The next prime is 31023432071. The reversal of 31023432067 is 76023432013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31023432067 - 211 = 31023430019 is a prime.

It is not a weakly prime, because it can be changed into another prime (31023432367) 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, 15511716033 + 15511716034.

It is an arithmetic number, because the mean of its divisors is an integer number (15511716034).

Almost surely, 231023432067 is an apocalyptic number.

31023432067 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023432067 is an equidigital number, since it uses as much as digits as its factorization.

31023432067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 31023432067 in words is "thirty-one billion, twenty-three million, four hundred thirty-two thousand, sixty-seven".