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31044004219 is a prime number
BaseRepresentation
bin11100111010010111…
…011110100101111011
32222010111202210221001
4130322113132211323
51002034231113334
622132244425431
72146204452634
oct347227364573
988114683831
1031044004219
1112190592938
1260246a8277
132c0976b587
141706d6c88b
15c1a5ed714
hex73a5de97b

31044004219 has 2 divisors, whose sum is σ = 31044004220. Its totient is φ = 31044004218.

The previous prime is 31044004193. The next prime is 31044004223. The reversal of 31044004219 is 91240044013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31044004219 - 215 = 31043971451 is a prime.

It is a super-2 number, since 2×310440042192 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31044004289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15522002109 + 15522002110.

It is an arithmetic number, because the mean of its divisors is an integer number (15522002110).

Almost surely, 231044004219 is an apocalyptic number.

31044004219 is a deficient number, since it is larger than the sum of its proper divisors (1).

31044004219 is an equidigital number, since it uses as much as digits as its factorization.

31044004219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 31044004219 in words is "thirty-one billion, forty-four million, four thousand, two hundred nineteen".