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23312222231231 = 28182961644951
BaseRepresentation
bin1010100110011110011001…
…01110011001101010111111
310001112121220211221111010202
411103033030232121222333
511023421412342344411
6121325253111354115
74624152412323503
oct523171456315277
9101477824844122
1023312222231231
11747872677925a
12274609408293b
131001443b4620b
145a8463602303
152a660eca583b
hex1533ccb99abf

23312222231231 has 4 divisors (see below), whose sum is σ = 23395183876464. Its totient is φ = 23229260586000.

The previous prime is 23312222231227. The next prime is 23312222231251. The reversal of 23312222231231 is 13213222221332.

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

It is a cyclic number.

It is not a de Polignac number, because 23312222231231 - 22 = 23312222231227 is a prime.

It is a super-2 number, since 2×233122222312312 (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 = 23312222231194 and 23312222231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312222231251) 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, 41480822195 + ... + 41480822756.

It is an arithmetic number, because the mean of its divisors is an integer number (5848795969116).

Almost surely, 223312222231231 is an apocalyptic number.

23312222231231 is a deficient number, since it is larger than the sum of its proper divisors (82961645233).

23312222231231 is an equidigital number, since it uses as much as digits as its factorization.

23312222231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82961645232.

The product of its digits is 10368, while the sum is 29.

Adding to 23312222231231 its reverse (13213222221332), we get a palindrome (36525444452563).

The spelling of 23312222231231 in words is "twenty-three trillion, three hundred twelve billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 281 82961644951 23312222231231