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23130021300231 = 37710007100077
BaseRepresentation
bin1010100001001011000001…
…01101000000100000000111
310000220012121221202012011010
411100211200231000200013
511012430240423101411
6121105441325213303
74605042330056106
oct520454055004007
9100805557665133
1023130021300231
11740842903103a
122716905401233
13cba1c8235641
1459d6db3a603d
152a19e92497a6
hex150960b40807

23130021300231 has 4 divisors (see below), whose sum is σ = 30840028400312. Its totient is φ = 15420014200152.

The previous prime is 23130021300227. The next prime is 23130021300241. The reversal of 23130021300231 is 13200312003132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23130021300231 - 22 = 23130021300227 is a prime.

It is a super-2 number, since 2×231300213002312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23130021300198 and 23130021300207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130021300241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3855003550036 + ... + 3855003550041.

It is an arithmetic number, because the mean of its divisors is an integer number (7710007100078).

Almost surely, 223130021300231 is an apocalyptic number.

23130021300231 is a deficient number, since it is larger than the sum of its proper divisors (7710007100081).

23130021300231 is an equidigital number, since it uses as much as digits as its factorization.

23130021300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710007100080.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23130021300231 its reverse (13200312003132), we get a palindrome (36330333303363).

The spelling of 23130021300231 in words is "twenty-three trillion, one hundred thirty billion, twenty-one million, three hundred thousand, two hundred thirty-one".

Divisors: 1 3 7710007100077 23130021300231