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31003441039 is a prime number
BaseRepresentation
bin11100110111111100…
…101111011110001111
32222000200102222201001
4130313330233132033
51001443340103124
622124235201131
72145202620634
oct346774573617
988020388631
1031003441039
111216a6a814a
126012ba61a7
132c012385ac
14170181018b
15c16c89b44
hex737f2f78f

31003441039 has 2 divisors, whose sum is σ = 31003441040. Its totient is φ = 31003441038.

The previous prime is 31003441019. The next prime is 31003441057. The reversal of 31003441039 is 93014430013.

It is a strong prime.

It is an emirp because it is prime and its reverse (93014430013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31003441039 - 219 = 31002916751 is a prime.

It is a super-2 number, since 2×310034410392 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31003440998 and 31003441016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31003441019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501720519 + 15501720520.

It is an arithmetic number, because the mean of its divisors is an integer number (15501720520).

Almost surely, 231003441039 is an apocalyptic number.

31003441039 is a deficient number, since it is larger than the sum of its proper divisors (1).

31003441039 is an equidigital number, since it uses as much as digits as its factorization.

31003441039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 31003441039 in words is "thirty-one billion, three million, four hundred forty-one thousand, thirty-nine".