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120103231277 is a prime number
BaseRepresentation
bin110111111011010110…
…1011101111100101101
3102111000012102022012002
41233312231131330231
53431432411400102
6131101421022045
711451161423141
oct1576655357455
9374005368162
10120103231277
1146a32163327
121b33a3b4925
13b4306bc873
145b54d39221
1531ce097902
hex1bf6b5df2d

120103231277 has 2 divisors, whose sum is σ = 120103231278. Its totient is φ = 120103231276.

The previous prime is 120103231163. The next prime is 120103231309. The reversal of 120103231277 is 772132301021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119481526921 + 621704356 = 345661^2 + 24934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120103231277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120103231477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051615638 + 60051615639.

It is an arithmetic number, because the mean of its divisors is an integer number (60051615639).

Almost surely, 2120103231277 is an apocalyptic number.

It is an amenable number.

120103231277 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103231277 is an equidigital number, since it uses as much as digits as its factorization.

120103231277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 120103231277 its reverse (772132301021), we get a palindrome (892235532298).

The spelling of 120103231277 in words is "one hundred twenty billion, one hundred three million, two hundred thirty-one thousand, two hundred seventy-seven".