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443620012931 is a prime number
BaseRepresentation
bin1100111010010011101…
…00000011001110000011
31120102001122022121200022
412131021310003032003
524232013210403211
6535443552244055
744023213615244
oct6351164031603
91512048277608
10443620012931
11161157a28767
1271b8754062b
1332aaa689c94
141768544cccb
15b8160e6bdb
hex6749d03383

443620012931 has 2 divisors, whose sum is σ = 443620012932. Its totient is φ = 443620012930.

The previous prime is 443620012853. The next prime is 443620012963. The reversal of 443620012931 is 139210026344.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 443620012931 - 210 = 443620011907 is a prime.

It is a super-2 number, since 2×4436200129312 (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 443620012891 and 443620012900.

It is not a weakly prime, because it can be changed into another prime (443620092931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221810006465 + 221810006466.

It is an arithmetic number, because the mean of its divisors is an integer number (221810006466).

Almost surely, 2443620012931 is an apocalyptic number.

443620012931 is a deficient number, since it is larger than the sum of its proper divisors (1).

443620012931 is an equidigital number, since it uses as much as digits as its factorization.

443620012931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 443620012931 in words is "four hundred forty-three billion, six hundred twenty million, twelve thousand, nine hundred thirty-one".