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230024302431 = 37211142253743
BaseRepresentation
bin1101011000111010000…
…1000100111101011111
3210222201210022021112120
43112032201010331133
512232042210134211
6253401031034023
722422134211300
oct3261641047537
9728653267476
10230024302431
11896097a3a90
12386b680b913
13188ca742ac1
14b1c18547a7
155eb429dd06
hex358e844f5f

230024302431 has 24 divisors (see below), whose sum is σ = 389206243584. Its totient is φ = 119493143280.

The previous prime is 230024302379. The next prime is 230024302433. The reversal of 230024302431 is 134203420032.

It is not a de Polignac number, because 230024302431 - 26 = 230024302367 is a prime.

It is a super-2 number, since 2×2300243024312 (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 (230024302433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71125255 + ... + 71128488.

It is an arithmetic number, because the mean of its divisors is an integer number (16216926816).

Almost surely, 2230024302431 is an apocalyptic number.

230024302431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230024302431 is a deficient number, since it is larger than the sum of its proper divisors (159181941153).

230024302431 is a wasteful number, since it uses less digits than its factorization.

230024302431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142253771 (or 142253764 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 230024302431 its reverse (134203420032), we get a palindrome (364227722463).

The spelling of 230024302431 in words is "two hundred thirty billion, twenty-four million, three hundred two thousand, four hundred thirty-one".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 142253743 426761229 995776201 1564791173 2987328603 4694373519 6970433407 10953538211 20911300221 32860614633 76674767477 230024302431