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230131016551 = 892585741759
BaseRepresentation
bin1101011001010011100…
…0001010001101100111
3211000000020002220210101
43112110320022031213
512232302020012201
6253415402204531
722424601236212
oct3262470121547
9730006086711
10230131016551
1189663a60977
12387264b3747
1318916897657
14b1d1ab2779
155ebd82cd01
hex3594e0a367

230131016551 has 4 divisors (see below), whose sum is σ = 232716758400. Its totient is φ = 227545274704.

The previous prime is 230131016537. The next prime is 230131016569. The reversal of 230131016551 is 155610131032.

230131016551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 230131016551 - 29 = 230131016039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230131086551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292870791 + ... + 1292870968.

It is an arithmetic number, because the mean of its divisors is an integer number (58179189600).

Almost surely, 2230131016551 is an apocalyptic number.

230131016551 is a deficient number, since it is larger than the sum of its proper divisors (2585741849).

230131016551 is an equidigital number, since it uses as much as digits as its factorization.

230131016551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585741848.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 230131016551 its reverse (155610131032), we get a palindrome (385741147583).

The spelling of 230131016551 in words is "two hundred thirty billion, one hundred thirty-one million, sixteen thousand, five hundred fifty-one".

Divisors: 1 89 2585741759 230131016551