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2231421341 is a prime number
BaseRepresentation
bin1000010100000000…
…1100100110011101
312202111210221121212
42011000030212131
514032220440331
61005231034205
7106203524402
oct20500144635
95674727555
102231421341
11a45640976
1252336b965
132973b3576
141724da2a9
15d0d76d2b
hex8500c99d

2231421341 has 2 divisors, whose sum is σ = 2231421342. Its totient is φ = 2231421340.

The previous prime is 2231421331. The next prime is 2231421373. The reversal of 2231421341 is 1431241322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1771147225 + 460274116 = 42085^2 + 21454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2231421341 is a prime.

It is a super-3 number, since 3×22314213413 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231421301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115710670 + 1115710671.

It is an arithmetic number, because the mean of its divisors is an integer number (1115710671).

Almost surely, 22231421341 is an apocalyptic number.

It is an amenable number.

2231421341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231421341 is an equidigital number, since it uses as much as digits as its factorization.

2231421341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 2231421341 is about 47237.9226998817. The cubic root of 2231421341 is about 1306.7540680277.

Adding to 2231421341 its reverse (1431241322), we get a palindrome (3662662663).

The spelling of 2231421341 in words is "two billion, two hundred thirty-one million, four hundred twenty-one thousand, three hundred forty-one".