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231230101101 = 31722731994687
BaseRepresentation
bin1101011101011001100…
…0110101011001101101
3211002211211020012100120
43113112120311121231
512242024401213401
6254120423315153
722464045300306
oct3272630653155
9732754205316
10231230101101
118a07840040a
12389925abab9
1318a604b773c
14b297a537ad
156035082836
hex35d663566d

231230101101 has 16 divisors (see below), whose sum is σ = 326586276864. Its totient is φ = 145021650944.

The previous prime is 231230101087. The next prime is 231230101147. The reversal of 231230101101 is 101101032132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 231230101101 - 213 = 231230092909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231230101171) 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, 881421 + ... + 1113266.

It is an arithmetic number, because the mean of its divisors is an integer number (20411642304).

Almost surely, 2231230101101 is an apocalyptic number.

It is an amenable number.

231230101101 is a deficient number, since it is larger than the sum of its proper divisors (95356175763).

231230101101 is a wasteful number, since it uses less digits than its factorization.

231230101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996980.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231230101101 its reverse (101101032132), we get a palindrome (332331133233).

The spelling of 231230101101 in words is "two hundred thirty-one billion, two hundred thirty million, one hundred one thousand, one hundred one".

Divisors: 1 3 17 51 2273 6819 38641 115923 1994687 5984061 33909679 101729037 4533923551 13601770653 77076700367 231230101101