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30600430313 = 123923246931
BaseRepresentation
bin11100011111111011…
…011000001011101001
32220222121002220220212
4130133323120023221
51000132202232223
622020241230505
72132210236355
oct343773301351
986877086825
1030600430313
1111a83166232
125b20032435
132b688b17cb
1416a40a4465
15be16ce278
hex71fed82e9

30600430313 has 4 divisors (see below), whose sum is σ = 30600801168. Its totient is φ = 30600059460.

The previous prime is 30600430303. The next prime is 30600430363. The reversal of 30600430313 is 31303400603.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31303400603 = 291079427607.

It is a cyclic number.

It is not a de Polignac number, because 30600430313 - 26 = 30600430249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30600430303) 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, 458 + ... + 247388.

It is an arithmetic number, because the mean of its divisors is an integer number (7650200292).

Almost surely, 230600430313 is an apocalyptic number.

It is an amenable number.

30600430313 is a deficient number, since it is larger than the sum of its proper divisors (370855).

30600430313 is a wasteful number, since it uses less digits than its factorization.

30600430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370854.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30600430313 its reverse (31303400603), we get a palindrome (61903830916).

The spelling of 30600430313 in words is "thirty billion, six hundred million, four hundred thirty thousand, three hundred thirteen".

Divisors: 1 123923 246931 30600430313