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31422353 is a prime number
BaseRepresentation
bin111011111011…
…1011110010001
32012010102100212
41313313132101
531021003403
63041253505
7531041234
oct167673621
965112325
1031422353
1116812096
12a634295
136682511
14425d41b
152b5a4d8
hex1df7791

31422353 has 2 divisors, whose sum is σ = 31422354. Its totient is φ = 31422352.

The previous prime is 31422343. The next prime is 31422373. The reversal of 31422353 is 35322413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24930049 + 6492304 = 4993^2 + 2548^2 .

It is a cyclic number.

It is not a de Polignac number, because 31422353 - 26 = 31422289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31422323) 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, 15711176 + 15711177.

It is an arithmetic number, because the mean of its divisors is an integer number (15711177).

Almost surely, 231422353 is an apocalyptic number.

It is an amenable number.

31422353 is a deficient number, since it is larger than the sum of its proper divisors (1).

31422353 is an equidigital number, since it uses as much as digits as its factorization.

31422353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 23.

The square root of 31422353 is about 5605.5644675626. The cubic root of 31422353 is about 315.5582709372.

Adding to 31422353 its reverse (35322413), we get a palindrome (66744766).

The spelling of 31422353 in words is "thirty-one million, four hundred twenty-two thousand, three hundred fifty-three".