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30201200311 = 1031283228539
BaseRepresentation
bin11100001000001000…
…011011111010110111
32212221202212221022111
4130020020123322313
5443323001402221
621512500311451
72116261652452
oct341010337267
985852787274
1030201200311
1111898876887
125a2a3a2587
132b03c7c839
141667060499
15bbb61dbe1
hex70821beb7

30201200311 has 8 divisors (see below), whose sum is σ = 30518317440. Its totient is φ = 29884543032.

The previous prime is 30201200297. The next prime is 30201200327. The reversal of 30201200311 is 11300210203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30201200311 - 221 = 30199103159 is a prime.

It is a super-2 number, since 2×302012003112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30201200291 and 30201200300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201200611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17880 + ... + 246418.

It is an arithmetic number, because the mean of its divisors is an integer number (3814789680).

Almost surely, 230201200311 is an apocalyptic number.

30201200311 is a deficient number, since it is larger than the sum of its proper divisors (317117129).

30201200311 is a wasteful number, since it uses less digits than its factorization.

30201200311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229925.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30201200311 its reverse (11300210203), we get a palindrome (41501410514).

The spelling of 30201200311 in words is "thirty billion, two hundred one million, two hundred thousand, three hundred eleven".

Divisors: 1 103 1283 132149 228539 23539517 293215537 30201200311