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32431568401 is a prime number
BaseRepresentation
bin11110001101000100…
…100111011000010001
310002201012201101011001
4132031010213120101
51012404440142101
622522053022001
72225453532361
oct361504473021
9102635641131
1032431568401
11128328583a1
126351324901
13309b08487b
1417d93649a1
15c9c338901
hex78d127611

32431568401 has 2 divisors, whose sum is σ = 32431568402. Its totient is φ = 32431568400.

The previous prime is 32431568359. The next prime is 32431568413. The reversal of 32431568401 is 10486513423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28959530625 + 3472037776 = 170175^2 + 58924^2 .

It is an emirp because it is prime and its reverse (10486513423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32431568401 - 217 = 32431437329 is a prime.

It is not a weakly prime, because it can be changed into another prime (32431568431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16215784200 + 16215784201.

It is an arithmetic number, because the mean of its divisors is an integer number (16215784201).

Almost surely, 232431568401 is an apocalyptic number.

It is an amenable number.

32431568401 is a deficient number, since it is larger than the sum of its proper divisors (1).

32431568401 is an equidigital number, since it uses as much as digits as its factorization.

32431568401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 32431568401 in words is "thirty-two billion, four hundred thirty-one million, five hundred sixty-eight thousand, four hundred one".