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3122072101 is a prime number
BaseRepresentation
bin1011101000010111…
…0000101000100101
322001120201200210001
42322011300220211
522343222301401
61233444501301
7140240114011
oct27205605045
98046650701
103122072101
111362367a85
127316aa831
133a9a85655
14218901541
15134158601
hexba170a25

3122072101 has 2 divisors, whose sum is σ = 3122072102. Its totient is φ = 3122072100.

The previous prime is 3122072089. The next prime is 3122072123. The reversal of 3122072101 is 1012702213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2042949601 + 1079122500 = 45199^2 + 32850^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122072101 - 25 = 3122072069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122072201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561036050 + 1561036051.

It is an arithmetic number, because the mean of its divisors is an integer number (1561036051).

Almost surely, 23122072101 is an apocalyptic number.

It is an amenable number.

3122072101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122072101 is an equidigital number, since it uses as much as digits as its factorization.

3122072101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 3122072101 is about 55875.5053757906. The cubic root of 3122072101 is about 1461.5521275728.

Adding to 3122072101 its reverse (1012702213), we get a palindrome (4134774314).

The spelling of 3122072101 in words is "three billion, one hundred twenty-two million, seventy-two thousand, one hundred one".