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2131002199 is a prime number
BaseRepresentation
bin111111100000100…
…1000001101010111
312111111212010110101
41333001020031113
513331014032244
6551242434531
7103544135254
oct17701101527
95444763411
102131002199
119a3993547
124b5802a47
1327c654061
1416303a42b
15c713d0d4
hex7f048357

2131002199 has 2 divisors, whose sum is σ = 2131002200. Its totient is φ = 2131002198.

The previous prime is 2131002193. The next prime is 2131002221. The reversal of 2131002199 is 9912001312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131002199 - 23 = 2131002191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131002191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065501099 + 1065501100.

It is an arithmetic number, because the mean of its divisors is an integer number (1065501100).

Almost surely, 22131002199 is an apocalyptic number.

2131002199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131002199 is an equidigital number, since it uses as much as digits as its factorization.

2131002199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2131002199 is about 46162.7793682313. The cubic root of 2131002199 is about 1286.8501157783.

The spelling of 2131002199 in words is "two billion, one hundred thirty-one million, two thousand, one hundred ninety-nine".