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2311021202230 = 25133105189859
BaseRepresentation
bin100001101000010011100…
…110010000101100110110
322011221011001002221221101
4201220103212100230312
5300330432411432410
64525400220440314
7325652155050346
oct41502346205466
98157131087841
102311021202230
1181110a247484
12313a843a909a
13139c0b802000
147dbd5620d26
15401ad017d3a
hex21a13990b36

2311021202230 has 32 divisors (see below), whose sum is σ = 4506333602400. Its totient is φ = 853300128096.

The previous prime is 2311021202179. The next prime is 2311021202257. The reversal of 2311021202230 is 322021201132.

It is a junction number, because it is equal to n+sod(n) for n = 2311021202198 and 2311021202207.

It is a congruent number.

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, 52572960 + ... + 52616899.

It is an arithmetic number, because the mean of its divisors is an integer number (140822925075).

Almost surely, 22311021202230 is an apocalyptic number.

2311021202230 is a deficient number, since it is larger than the sum of its proper divisors (2195312400170).

2311021202230 is a wasteful number, since it uses less digits than its factorization.

2311021202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105189905 (or 105189879 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2311021202230 its reverse (322021201132), we get a palindrome (2633042403362).

The spelling of 2311021202230 in words is "two trillion, three hundred eleven billion, twenty-one million, two hundred two thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 2197 4394 10985 21970 105189859 210379718 525949295 1051898590 1367468167 2734936334 6837340835 13674681670 17777086171 35554172342 88885430855 177770861710 231102120223 462204240446 1155510601115 2311021202230