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31834801 is a prime number
BaseRepresentation
bin111100101110…
…0001010110001
32012220101010201
41321130022301
531122203201
63054155201
7534406555
oct171341261
965811121
1031834801
1116a73a59
12a7b2b01
13679817b
144329865
152bdc801
hex1e5c2b1

31834801 has 2 divisors, whose sum is σ = 31834802. Its totient is φ = 31834800.

The previous prime is 31834729. The next prime is 31834841. The reversal of 31834801 is 10843813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25959025 + 5875776 = 5095^2 + 2424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31834801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31834801.

It is not a weakly prime, because it can be changed into another prime (31834841) 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, 15917400 + 15917401.

It is an arithmetic number, because the mean of its divisors is an integer number (15917401).

Almost surely, 231834801 is an apocalyptic number.

It is an amenable number.

31834801 is a deficient number, since it is larger than the sum of its proper divisors (1).

31834801 is an equidigital number, since it uses as much as digits as its factorization.

31834801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 31834801 is about 5642.2336888860. The cubic root of 31834801 is about 316.9329403340.

The spelling of 31834801 in words is "thirty-one million, eight hundred thirty-four thousand, eight hundred one".