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230330033031 = 3729716153309
BaseRepresentation
bin1101011010000010111…
…1010110001110000111
3211000112002121000002010
43112200233112032013
512233203442024111
6253451231545303
722432535656200
oct3264057261607
9730462530063
10230330033031
11897563319aa
123878108b233
1318948b99097
14b2102ba5a7
155ed1040aa6
hex35a0bd6387

230330033031 has 24 divisors (see below), whose sum is σ = 360929558640. Its totient is φ = 130260275712.

The previous prime is 230330033009. The next prime is 230330033033. The reversal of 230330033031 is 130330033032.

It is not a de Polignac number, because 230330033031 - 210 = 230330032007 is a prime.

It is a super-2 number, since 2×2303300330312 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 230330032989 and 230330033007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230330033033) 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, 8062396 + ... + 8090913.

It is an arithmetic number, because the mean of its divisors is an integer number (15038731610).

Almost surely, 2230330033031 is an apocalyptic number.

230330033031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230330033031 is a deficient number, since it is larger than the sum of its proper divisors (130599525609).

230330033031 is a wasteful number, since it uses less digits than its factorization.

230330033031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153423 (or 16153416 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 21.

Adding to 230330033031 its reverse (130330033032), we get a palindrome (360660066063).

Subtracting from 230330033031 its reverse (130330033032), we obtain a palindrome (99999999999).

The spelling of 230330033031 in words is "two hundred thirty billion, three hundred thirty million, thirty-three thousand, thirty-one".

Divisors: 1 3 7 21 49 97 147 291 679 2037 4753 14259 16153309 48459927 113073163 339219489 791512141 1566870973 2374536423 4700612919 10968096811 32904290433 76776677677 230330033031