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230242242031 = 2143365929363
BaseRepresentation
bin1101011001101110000…
…0011100110111101111
3211000021222101202110121
43112123200130313233
512233014003221111
6253434414145411
722430421523564
oct3263340346757
9730258352417
10230242242031
118971081a25a
12387577b2267
131893393b749
14b20278686b
155ec849d871
hex359b81cdef

230242242031 has 8 divisors (see below), whose sum is σ = 230420482560. Its totient is φ = 230064071832.

The previous prime is 230242241993. The next prime is 230242242037. The reversal of 230242242031 is 130242242032.

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 230242242031 - 219 = 230241717743 is a prime.

It is a super-2 number, since 2×2302422420312 (a number of 24 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 = 230242241987 and 230242242005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230242242037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7826556 + ... + 7855918.

It is an arithmetic number, because the mean of its divisors is an integer number (28802560320).

Almost surely, 2230242242031 is an apocalyptic number.

230242242031 is a deficient number, since it is larger than the sum of its proper divisors (178240529).

230242242031 is a wasteful number, since it uses less digits than its factorization.

230242242031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35165.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 230242242031 its reverse (130242242032), we get a palindrome (360484484063).

Subtracting from 230242242031 its reverse (130242242032), we obtain a palindrome (99999999999).

The spelling of 230242242031 in words is "two hundred thirty billion, two hundred forty-two million, two hundred forty-two thousand, thirty-one".

Divisors: 1 2143 3659 29363 7841237 62924909 107439217 230242242031