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13030331233 = 191753391219
BaseRepresentation
bin11000010001010101…
…10001001101100001
31020122002212102002111
430020222301031201
5203141231044413
65552553115321
7640621662613
oct141052611541
936562772074
1013030331233
115587311797
1226379b8b41
1312c876168a
148b87c2db3
15513e43d3d
hex308ab1361

13030331233 has 8 divisors (see below), whose sum is σ = 13723997600. Its totient is φ = 12337450848.

The previous prime is 13030331231. The next prime is 13030331263. The reversal of 13030331233 is 33213303031.

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 13030331233 - 21 = 13030331231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13030331231) 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, 162303 + ... + 228916.

It is an arithmetic number, because the mean of its divisors is an integer number (1715499700).

Almost surely, 213030331233 is an apocalyptic number.

It is an amenable number.

13030331233 is a deficient number, since it is larger than the sum of its proper divisors (693666367).

13030331233 is a wasteful number, since it uses less digits than its factorization.

13030331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392991.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 13030331233 its reverse (33213303031), we get a palindrome (46243634264).

The spelling of 13030331233 in words is "thirteen billion, thirty million, three hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 19 1753 33307 391219 7433161 685806907 13030331233