Search a number
-
+
1032103012981 is a prime number
BaseRepresentation
bin11110000010011100010…
…00100010101001110101
310122200001000220110022211
433001032020202221311
5113402221332403411
62110050325253421
7134365321601035
oct17011610425165
93580030813284
101032103012981
11368792275787
12148041264271
1376433265001
1437d4dcc38c5
151bca9d00221
hexf04e222a75

1032103012981 has 2 divisors, whose sum is σ = 1032103012982. Its totient is φ = 1032103012980.

The previous prime is 1032103012973. The next prime is 1032103013003. The reversal of 1032103012981 is 1892103012301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663361380900 + 368741632081 = 814470^2 + 607241^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032103012981 - 23 = 1032103012973 is a prime.

It is a super-2 number, since 2×10321030129812 (a number of 25 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032103012961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516051506490 + 516051506491.

It is an arithmetic number, because the mean of its divisors is an integer number (516051506491).

Almost surely, 21032103012981 is an apocalyptic number.

It is an amenable number.

1032103012981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032103012981 is an equidigital number, since it uses as much as digits as its factorization.

1032103012981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 1032103012981 in words is "one trillion, thirty-two billion, one hundred three million, twelve thousand, nine hundred eighty-one".