Search a number
-
+
10031212913 is a prime number
BaseRepresentation
bin10010101011110100…
…00010100101110001
3221220002111102012012
421111322002211301
5131020442303123
64335215412305
7503403621461
oct112572024561
927802442165
1010031212913
1142883a3807
121b3b524095
13c3b2c8557
146b2369ba1
153da9c6378
hex255e82971

10031212913 has 2 divisors, whose sum is σ = 10031212914. Its totient is φ = 10031212912.

The previous prime is 10031212907. The next prime is 10031213029. The reversal of 10031212913 is 31921213001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9736163584 + 295049329 = 98672^2 + 17177^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031212913 - 220 = 10030164337 is a prime.

It is not a weakly prime, because it can be changed into another prime (10031112913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015606456 + 5015606457.

It is an arithmetic number, because the mean of its divisors is an integer number (5015606457).

Almost surely, 210031212913 is an apocalyptic number.

It is an amenable number.

10031212913 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031212913 is an equidigital number, since it uses as much as digits as its factorization.

10031212913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 10031212913 its reverse (31921213001), we get a palindrome (41952425914).

The spelling of 10031212913 in words is "ten billion, thirty-one million, two hundred twelve thousand, nine hundred thirteen".