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231301230330 = 23530372538703
BaseRepresentation
bin1101011101101010100…
…0001010111011111010
3211010000210001221022110
43113122220022323322
512242201103332310
6254131444033150
722465601006202
oct3273250127372
9733023057273
10231301230330
118a1045728a5
12389b23927b6
1318a72160241
14b2a328b402
15603b432d20
hex35daa0aefa

231301230330 has 32 divisors (see below), whose sum is σ = 555305958144. Its totient is φ = 61659994176.

The previous prime is 231301230299. The next prime is 231301230353. The reversal of 231301230330 is 33032103132.

It is a junction number, because it is equal to n+sod(n) for n = 231301230297 and 231301230306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178242 + ... + 1360461.

It is an arithmetic number, because the mean of its divisors is an integer number (17353311192).

Almost surely, 2231301230330 is an apocalyptic number.

231301230330 is an abundant number, since it is smaller than the sum of its proper divisors (324004727814).

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

231301230330 is a wasteful number, since it uses less digits than its factorization.

231301230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541750.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 231301230330 its reverse (33032103132), we get a palindrome (264333333462).

The spelling of 231301230330 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3037 6074 9111 15185 18222 30370 45555 91110 2538703 5077406 7616109 12693515 15232218 25387030 38080545 76161090 7710041011 15420082022 23130123033 38550205055 46260246066 77100410110 115650615165 231301230330