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30201221323 = 7131033222151
BaseRepresentation
bin11100001000001000…
…100001000011001011
32212221202221000010201
4130020020201003023
5443323003040243
621512500553031
72116262100640
oct341010410313
985852830121
1030201221323
1111898890649
125a2a3b2777
132b03c89280
141667067dc7
15bbb62504d
hex7082210cb

30201221323 has 16 divisors (see below), whose sum is σ = 37531626496. Its totient is φ = 23663469600.

The previous prime is 30201221287. The next prime is 30201221359. The reversal of 30201221323 is 32312210203.

It is an interprime number because it is at equal distance from previous prime (30201221287) and next prime (30201221359).

It is a cyclic number.

It is not a de Polignac number, because 30201221323 - 213 = 30201213131 is a prime.

It is a super-2 number, since 2×302012213232 (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 30201221323.

It is not an unprimeable number, because it can be changed into a prime (30201201323) 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, 1601703 + ... + 1620448.

It is an arithmetic number, because the mean of its divisors is an integer number (2345726656).

Almost surely, 230201221323 is an apocalyptic number.

30201221323 is a deficient number, since it is larger than the sum of its proper divisors (7330405173).

30201221323 is a wasteful number, since it uses less digits than its factorization.

30201221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222274.

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

Adding to 30201221323 its reverse (32312210203), we get a palindrome (62513431526).

The spelling of 30201221323 in words is "thirty billion, two hundred one million, two hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 7 13 91 103 721 1339 9373 3222151 22555057 41887963 293215741 331881553 2323170871 4314460189 30201221323