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231101220101030 = 2583278435204941
BaseRepresentation
bin110100100010111101110010…
…001000011001101110100110
31010022021001122101020010202022
4310202331302020121232212
5220242330244321213110
62135302233533143142
766451340446306316
oct6442756210315646
91108231571203668
10231101220101030
11676aa527a50354
1221b04b6b02aab2
139bc49a01b7c66
14410d50451b446
151bab7169c5755
hexd22f72219ba6

231101220101030 has 16 divisors (see below), whose sum is σ = 420994029872304. Its totient is φ = 91326747220320.

The previous prime is 231101220100997. The next prime is 231101220101093. The reversal of 231101220101030 is 30101022101132.

231101220101030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139217601641 + ... + 139217603300.

It is an arithmetic number, because the mean of its divisors is an integer number (26312126867019).

Almost surely, 2231101220101030 is an apocalyptic number.

231101220101030 is a deficient number, since it is larger than the sum of its proper divisors (189892809771274).

231101220101030 is a wasteful number, since it uses less digits than its factorization.

231101220101030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278435205031.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231101220101030 its reverse (30101022101132), we get a palindrome (261202242202162).

The spelling of 231101220101030 in words is "two hundred thirty-one trillion, one hundred one billion, two hundred twenty million, one hundred one thousand, thirty".

Divisors: 1 2 5 10 83 166 415 830 278435204941 556870409882 1392176024705 2784352049410 23110122010103 46220244020206 115550610050515 231101220101030