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2231322001 is a prime number
BaseRepresentation
bin1000010011111111…
…0100010110010001
312202111121220100121
42010333310112101
514032204301001
61005224550241
7106202631646
oct20477642621
95674556317
102231322001
11a45583277
12523322381
1329737a29c
141724b1dcd
15d0d576a1
hex84ff4591

2231322001 has 2 divisors, whose sum is σ = 2231322002. Its totient is φ = 2231322000.

The previous prime is 2231321969. The next prime is 2231322013. The reversal of 2231322001 is 1002231322.

2231322001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774431376 + 456890625 = 42124^2 + 21375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231322001 - 25 = 2231321969 is a prime.

It is a super-3 number, since 3×22313220013 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231322091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115661000 + 1115661001.

It is an arithmetic number, because the mean of its divisors is an integer number (1115661001).

Almost surely, 22231322001 is an apocalyptic number.

It is an amenable number.

2231322001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231322001 is an equidigital number, since it uses as much as digits as its factorization.

2231322001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2231322001 is about 47236.8712024833. The cubic root of 2231322001 is about 1306.7346760714.

Adding to 2231322001 its reverse (1002231322), we get a palindrome (3233553323).

The spelling of 2231322001 in words is "two billion, two hundred thirty-one million, three hundred twenty-two thousand, one".