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31234122371 is a prime number
BaseRepresentation
bin11101000101101100…
…101110001010000011
32222121202111211000002
4131011230232022003
51002431413403441
622203155350215
72154003442154
oct350554561203
988552454002
1031234122371
1112278936481
1260782b236b
132c39c75a1a
1417242db92b
15c2c154b9b
hex745b2e283

31234122371 has 2 divisors, whose sum is σ = 31234122372. Its totient is φ = 31234122370.

The previous prime is 31234122343. The next prime is 31234122449. The reversal of 31234122371 is 17322143213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31234122371 is a prime.

It is not a weakly prime, because it can be changed into another prime (31234122331) 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, 15617061185 + 15617061186.

It is an arithmetic number, because the mean of its divisors is an integer number (15617061186).

Almost surely, 231234122371 is an apocalyptic number.

31234122371 is a deficient number, since it is larger than the sum of its proper divisors (1).

31234122371 is an equidigital number, since it uses as much as digits as its factorization.

31234122371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

Adding to 31234122371 its reverse (17322143213), we get a palindrome (48556265584).

The spelling of 31234122371 in words is "thirty-one billion, two hundred thirty-four million, one hundred twenty-two thousand, three hundred seventy-one".