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2231532307 is a prime number
BaseRepresentation
bin1000010100000010…
…0111101100010011
312202112000120211201
42011000213230103
514032233013212
61005233252031
7106204466044
oct20500475423
95675016751
102231532307
11a45707284
12523404017
13297421c24
141725288cb
15d0d99b57
hex85027b13

2231532307 has 2 divisors, whose sum is σ = 2231532308. Its totient is φ = 2231532306.

The previous prime is 2231532301. The next prime is 2231532337. The reversal of 2231532307 is 7032351322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231532307 - 231 = 84048659 is a prime.

It is a super-3 number, since 3×22315323073 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231532301) 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, 1115766153 + 1115766154.

It is an arithmetic number, because the mean of its divisors is an integer number (1115766154).

Almost surely, 22231532307 is an apocalyptic number.

2231532307 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231532307 is an equidigital number, since it uses as much as digits as its factorization.

2231532307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 2231532307 is about 47239.0972288845. The cubic root of 2231532307 is about 1306.7757287910.

Adding to 2231532307 its reverse (7032351322), we get a palindrome (9263883629).

The spelling of 2231532307 in words is "two billion, two hundred thirty-one million, five hundred thirty-two thousand, three hundred seven".