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30200313133 = 71425356523
BaseRepresentation
bin11100001000000101…
…000011010100101101
32212221201012212100001
4130020011003110231
5443322240010013
621512425304301
72116251266104
oct341005032455
985851185301
1030200313133
1111898320281
125a2a035091
132b03a2ba93
141666cad03b
15bbb4e5ddd
hex70814352d

30200313133 has 4 divisors (see below), whose sum is σ = 30625669728. Its totient is φ = 29774956540.

The previous prime is 30200313131. The next prime is 30200313167. The reversal of 30200313133 is 33131300203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33131300203 = 73345199591.

It is a cyclic number.

It is not a de Polignac number, because 30200313133 - 21 = 30200313131 is a prime.

It is a super-3 number, since 3×302003131333 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30200313133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200313131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212678191 + ... + 212678332.

It is an arithmetic number, because the mean of its divisors is an integer number (7656417432).

Almost surely, 230200313133 is an apocalyptic number.

It is an amenable number.

30200313133 is a deficient number, since it is larger than the sum of its proper divisors (425356595).

30200313133 is an equidigital number, since it uses as much as digits as its factorization.

30200313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425356594.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30200313133 its reverse (33131300203), we get a palindrome (63331613336).

The spelling of 30200313133 in words is "thirty billion, two hundred million, three hundred thirteen thousand, one hundred thirty-three".

Divisors: 1 71 425356523 30200313133