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2132231237 is a prime number
BaseRepresentation
bin111111100010111…
…0100010001000101
312111121011120101022
41333011310101011
513331322344422
6551325040525
7103560444413
oct17705642105
95447146338
102132231237
119a4652984
124b60b6145
1327c9945b6
1416327a2b3
15c72d2342
hex7f174445

2132231237 has 2 divisors, whose sum is σ = 2132231238. Its totient is φ = 2132231236.

The previous prime is 2132231219. The next prime is 2132231263. The reversal of 2132231237 is 7321322312.

It is a happy number.

It is an a-pointer prime, because the next prime (2132231263) can be obtained adding 2132231237 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1954435681 + 177795556 = 44209^2 + 13334^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132231237 - 26 = 2132231173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132231207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066115618 + 1066115619.

It is an arithmetic number, because the mean of its divisors is an integer number (1066115619).

Almost surely, 22132231237 is an apocalyptic number.

It is an amenable number.

2132231237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132231237 is an equidigital number, since it uses as much as digits as its factorization.

2132231237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 2132231237 is about 46176.0894511434. The cubic root of 2132231237 is about 1287.0974616414.

Adding to 2132231237 its reverse (7321322312), we get a palindrome (9453553549).

The spelling of 2132231237 in words is "two billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred thirty-seven".