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3103442002981 is a prime number
BaseRepresentation
bin101101001010010011100…
…011101110010000100101
3101222200112012122111010201
4231022103203232100211
5401321322123043411
610333411312350501
7440134120526515
oct55122343562045
911880465574121
103103442002981
11a97187116641
12421574545431
131968654808a8
14aa2c9139845
1555adac313c1
hex2d2938ee425

3103442002981 has 2 divisors, whose sum is σ = 3103442002982. Its totient is φ = 3103442002980.

The previous prime is 3103442002901. The next prime is 3103442003027. The reversal of 3103442002981 is 1892002443013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1616371505956 + 1487070497025 = 1271366^2 + 1219455^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103442002981 - 27 = 3103442002853 is a prime.

It is a super-2 number, since 2×31034420029812 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3103442002981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3103442002901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551721001490 + 1551721001491.

It is an arithmetic number, because the mean of its divisors is an integer number (1551721001491).

Almost surely, 23103442002981 is an apocalyptic number.

It is an amenable number.

3103442002981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103442002981 is an equidigital number, since it uses as much as digits as its factorization.

3103442002981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

Adding to 3103442002981 its reverse (1892002443013), we get a palindrome (4995444445994).

The spelling of 3103442002981 in words is "three trillion, one hundred three billion, four hundred forty-two million, two thousand, nine hundred eighty-one".