Search a number
-
+
30220201131 = 322376159359
BaseRepresentation
bin11100001001010000…
…111010110010101011
32220000002122021112120
4130021100322302223
5443342332414011
621514415442323
72116612320441
oct341120726253
986002567476
1030220201131
11118a857443a
125a348263a3
132b07ba3223
1416697a8b91
15bbd123a06
hex70943acab

30220201131 has 16 divisors (see below), whose sum is σ = 40528158720. Its totient is φ = 20029763520.

The previous prime is 30220201127. The next prime is 30220201139. The reversal of 30220201131 is 13110202203.

It is not a de Polignac number, because 30220201131 - 22 = 30220201127 is a prime.

It is a super-2 number, since 2×302202011312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30220201131.

It is not an unprimeable number, because it can be changed into a prime (30220201139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479430 + ... + 538788.

It is an arithmetic number, because the mean of its divisors is an integer number (2533009920).

Almost surely, 230220201131 is an apocalyptic number.

30220201131 is a deficient number, since it is larger than the sum of its proper divisors (10307957589).

30220201131 is a wasteful number, since it uses less digits than its factorization.

30220201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60346.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30220201131 its reverse (13110202203), we get a palindrome (43330403334).

The spelling of 30220201131 in words is "thirty billion, two hundred twenty million, two hundred one thousand, one hundred thirty-one".

Divisors: 1 3 223 669 761 2283 59359 169703 178077 509109 13237057 39711171 45172199 135516597 10073400377 30220201131