Search a number
-
+
10123331213 is a prime number
BaseRepresentation
bin10010110110110010…
…11100011010001101
3222010111211111202002
421123121130122031
5131213033044323
64352310042045
7505602616112
oct113331343215
928114744662
1010123331213
1143253a1636
121b66349325
13c5440c718
146c06a8909
153e3b20828
hex25b65c68d

10123331213 has 2 divisors, whose sum is σ = 10123331214. Its totient is φ = 10123331212.

The previous prime is 10123331209. The next prime is 10123331227. The reversal of 10123331213 is 31213332101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8041964329 + 2081366884 = 89677^2 + 45622^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123331213 - 22 = 10123331209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123331243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061665606 + 5061665607.

It is an arithmetic number, because the mean of its divisors is an integer number (5061665607).

Almost surely, 210123331213 is an apocalyptic number.

It is an amenable number.

10123331213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123331213 is an equidigital number, since it uses as much as digits as its factorization.

10123331213 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 20.

Adding to 10123331213 its reverse (31213332101), we get a palindrome (41336663314).

The spelling of 10123331213 in words is "ten billion, one hundred twenty-three million, three hundred thirty-one thousand, two hundred thirteen".