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230331430032 = 24311436233769
BaseRepresentation
bin1101011010000011010…
…0101011010010010000
3211000112012012222101220
43112200310223102100
512233204321230112
6253451321525040
722432553565114
oct3264064532220
9730465188356
10230331430032
11897570a6550
1238781643780
1318949267c02
14b210561744
155ed121998c
hex35a0d2b490

230331430032 has 40 divisors (see below), whose sum is σ = 649115849760. Its totient is φ = 69797402880.

The previous prime is 230331430031. The next prime is 230331430039. The reversal of 230331430032 is 230034133032.

It is a happy number.

It is a super-2 number, since 2×2303314300322 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 230331429984 and 230331430011.

It is not an unprimeable number, because it can be changed into a prime (230331430031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218116357 + ... + 218117412.

It is an arithmetic number, because the mean of its divisors is an integer number (16227896244).

Almost surely, 2230331430032 is an apocalyptic number.

230331430032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230331430032 is an abundant number, since it is smaller than the sum of its proper divisors (418784419728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230331430032 is a wasteful number, since it uses less digits than its factorization.

230331430032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436233791 (or 436233785 counting only the distinct ones).

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

Adding to 230331430032 its reverse (230034133032), we get a palindrome (460365563064).

The spelling of 230331430032 in words is "two hundred thirty billion, three hundred thirty-one million, four hundred thirty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 436233769 872467538 1308701307 1744935076 2617402614 3489870152 4798571459 5234805228 6979740304 9597142918 10469610456 14395714377 19194285836 20939220912 28791428754 38388571672 57582857508 76777143344 115165715016 230331430032