Search a number
-
+
30013242031 is a prime number
BaseRepresentation
bin11011111100111011…
…011011101010101111
32212110200012200000201
4123330323123222233
5442431342221111
621442103534331
72111520230233
oct337473335257
985420180021
1030013242031
1111801768a63
12599745a3a7
132aa4050516
14164a0d45c3
15ba9d926c1
hex6fcedbaaf

30013242031 has 2 divisors, whose sum is σ = 30013242032. Its totient is φ = 30013242030.

The previous prime is 30013242019. The next prime is 30013242047. The reversal of 30013242031 is 13024231003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30013242031 - 213 = 30013233839 is a prime.

It is a super-2 number, since 2×300132420312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30013243031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006621015 + 15006621016.

It is an arithmetic number, because the mean of its divisors is an integer number (15006621016).

Almost surely, 230013242031 is an apocalyptic number.

30013242031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013242031 is an equidigital number, since it uses as much as digits as its factorization.

30013242031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30013242031 its reverse (13024231003), we get a palindrome (43037473034).

The spelling of 30013242031 in words is "thirty billion, thirteen million, two hundred forty-two thousand, thirty-one".