Search a number
-
+
30213231103 = 1122944926713
BaseRepresentation
bin11100001000110110…
…010101000111111111
32212222121112011110101
4130020312111013333
5443334041343403
621514010221531
72116466140606
oct341066250777
985877464411
1030213231103
11118a4643790
125a324248a7
132b06602853
1416688b2a3d
15bbc6e871d
hex708d951ff

30213231103 has 16 divisors (see below), whose sum is σ = 33178788000. Its totient is φ = 27284705280.

The previous prime is 30213231091. The next prime is 30213231107. The reversal of 30213231103 is 30113231203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30213231103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213231107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1117675 + ... + 1144387.

It is an arithmetic number, because the mean of its divisors is an integer number (2073674250).

Almost surely, 230213231103 is an apocalyptic number.

30213231103 is a deficient number, since it is larger than the sum of its proper divisors (2965556897).

30213231103 is a wasteful number, since it uses less digits than its factorization.

30213231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27402.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30213231103 its reverse (30113231203), we get a palindrome (60326462306).

The spelling of 30213231103 in words is "thirty billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred three".

Divisors: 1 11 229 449 2519 4939 26713 102821 293843 1131031 6117277 11994137 67290047 131935507 2746657373 30213231103