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2231434393 is a prime number
BaseRepresentation
bin1000010100000000…
…1111110010011001
312202111211121112021
42011000033302121
514032221400033
61005231214441
7106203610426
oct20500176231
95674747467
102231434393
11a4564a761
12523377421
132973b94a6
14172500d4d
15d0d7ab2d
hex8500fc99

2231434393 has 2 divisors, whose sum is σ = 2231434394. Its totient is φ = 2231434392.

The previous prime is 2231434327. The next prime is 2231434409. The reversal of 2231434393 is 3934341322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1966656409 + 264777984 = 44347^2 + 16272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2231434393 is a prime.

It is a super-3 number, since 3×22314343933 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231434313) 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, 1115717196 + 1115717197.

It is an arithmetic number, because the mean of its divisors is an integer number (1115717197).

Almost surely, 22231434393 is an apocalyptic number.

It is an amenable number.

2231434393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231434393 is an equidigital number, since it uses as much as digits as its factorization.

2231434393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 34.

The square root of 2231434393 is about 47238.0608513940. The cubic root of 2231434393 is about 1306.7566158389.

The spelling of 2231434393 in words is "two billion, two hundred thirty-one million, four hundred thirty-four thousand, three hundred ninety-three".