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230303232231 = 31919492073067
BaseRepresentation
bin1101011001111100100…
…1000111000011100111
3211000110020011101021220
43112133021013003213
512233130111412411
6253444433311423
722432062113562
oct3263711070347
9730406141256
10230303232231
1189742197086
1238774105573
1318943474317
14b20a9014d9
155ecd9e9b06
hex359f2470e7

230303232231 has 16 divisors (see below), whose sum is σ = 323398608000. Its totient is φ = 145379972448.

The previous prime is 230303232221. The next prime is 230303232251. The reversal of 230303232231 is 132232303032.

It is not a de Polignac number, because 230303232231 - 25 = 230303232199 is a prime.

It is a super-2 number, since 2×2303032322312 (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 (230303232221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925441 + ... + 1147626.

It is an arithmetic number, because the mean of its divisors is an integer number (20212413000).

Almost surely, 2230303232231 is an apocalyptic number.

230303232231 is a deficient number, since it is larger than the sum of its proper divisors (93095375769).

230303232231 is a wasteful number, since it uses less digits than its factorization.

230303232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075038.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 230303232231 its reverse (132232303032), we get a palindrome (362535535263).

The spelling of 230303232231 in words is "two hundred thirty billion, three hundred three million, two hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 19 57 1949 5847 37031 111093 2073067 6219201 39388273 118164819 4040407583 12121222749 76767744077 230303232231