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230232230031 = 31971841321157
BaseRepresentation
bin1101011001101011101…
…0010000100010001111
3211000021021120002120210
43112122322100202033
512233003422330111
6253433415413503
722430240444226
oct3263272204217
9730237502523
10230232230031
1189706101081
1238754384293
131893184459b
14b2012dbcbd
155ec76720a6
hex359ae9088f

230232230031 has 16 divisors (see below), whose sum is σ = 308565902304. Its totient is φ = 152693514624.

The previous prime is 230232230003. The next prime is 230232230077. The reversal of 230232230031 is 130032232032.

230232230031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230232230031 - 29 = 230232229519 is a prime.

It is a super-2 number, since 2×2302322300312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230232230231) 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 15 ways as a sum of consecutive naturals, for example, 10871505 + ... + 10892661.

It is an arithmetic number, because the mean of its divisors is an integer number (19285368894).

Almost surely, 2230232230031 is an apocalyptic number.

230232230031 is a deficient number, since it is larger than the sum of its proper divisors (78333672273).

230232230031 is a wasteful number, since it uses less digits than its factorization.

230232230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39770.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 230232230031 its reverse (130032232032), we get a palindrome (360264462063).

The spelling of 230232230031 in words is "two hundred thirty billion, two hundred thirty-two million, two hundred thirty thousand, thirty-one".

Divisors: 1 3 197 591 18413 21157 55239 63471 3627361 4167929 10882083 12503787 389563841 1168691523 76744076677 230232230031