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30233300231 = 53570439627
BaseRepresentation
bin11100001010000010…
…111000110100000111
32220001000021210010102
4130022002320310013
5443404211101411
621520004314315
72120131545311
oct341202706407
986030253112
1030233300231
1111904a00a42
125a390a299b
132b0a80b584
14166b4187b1
15bbe35ed3b
hex70a0b8d07

30233300231 has 4 divisors (see below), whose sum is σ = 30803739912. Its totient is φ = 29662860552.

The previous prime is 30233300189. The next prime is 30233300233. The reversal of 30233300231 is 13200333203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30233300231 is a prime.

It is a super-2 number, since 2×302333002312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233300233) 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, 285219761 + ... + 285219866.

It is an arithmetic number, because the mean of its divisors is an integer number (7700934978).

Almost surely, 230233300231 is an apocalyptic number.

30233300231 is a deficient number, since it is larger than the sum of its proper divisors (570439681).

30233300231 is an equidigital number, since it uses as much as digits as its factorization.

30233300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570439680.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30233300231 its reverse (13200333203), we get a palindrome (43433633434).

The spelling of 30233300231 in words is "thirty billion, two hundred thirty-three million, three hundred thousand, two hundred thirty-one".

Divisors: 1 53 570439627 30233300231