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231230141101 = 3719142177759
BaseRepresentation
bin1101011101011001100…
…0111111001010101101
3211002211211022020020001
43113112120333022231
512242024404003401
6254120424224301
722464045525031
oct3272630771255
9732754266201
10231230141101
118a078428473
123899260b091
1318a604cc9cb
14b297a641c1
15603508e601
hex35d663f2ad

231230141101 has 16 divisors (see below), whose sum is σ = 238810337280. Its totient is φ = 223720859520.

The previous prime is 231230141083. The next prime is 231230141123. The reversal of 231230141101 is 101141032132.

It is a cyclic number.

It is not a de Polignac number, because 231230141101 - 223 = 231221752493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231230141501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29797660 + ... + 29805418.

It is an arithmetic number, because the mean of its divisors is an integer number (14925646080).

Almost surely, 2231230141101 is an apocalyptic number.

It is an amenable number.

231230141101 is a deficient number, since it is larger than the sum of its proper divisors (7580196179).

231230141101 is a wasteful number, since it uses less digits than its factorization.

231230141101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12204.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231230141101 its reverse (101141032132), we get a palindrome (332371173233).

The spelling of 231230141101 in words is "two hundred thirty-one billion, two hundred thirty million, one hundred forty-one thousand, one hundred one".

Divisors: 1 37 191 4217 7067 7759 156029 287083 805447 1481969 29801539 32719703 54832853 1210629011 6249463273 231230141101