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2312222223131 = 8944957861971
BaseRepresentation
bin100001101001011011001…
…011110010101100011011
322012001020202001010212222
4201221123023302230123
5300340412342120011
64530115322454255
7326024010420122
oct41513313625433
98161222033788
102312222223131
11811676190237
1231415a66438b
1313a070593072
147dcaad38ab9
154022d6a5ddb
hex21a5b2f2b1b

2312222223131 has 8 divisors (see below), whose sum is σ = 2343409866000. Its totient is φ = 2281150305280.

The previous prime is 2312222223029. The next prime is 2312222223149. The reversal of 2312222223131 is 1313222222132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2312222223131 - 214 = 2312222206747 is a prime.

It is a super-2 number, since 2×23122222231312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2312222223131.

It is not an unprimeable number, because it can be changed into a prime (2312222213131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28891025 + ... + 28970946.

It is an arithmetic number, because the mean of its divisors is an integer number (292926233250).

Almost surely, 22312222223131 is an apocalyptic number.

2312222223131 is a deficient number, since it is larger than the sum of its proper divisors (31187642869).

2312222223131 is an equidigital number, since it uses as much as digits as its factorization.

2312222223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57862509.

The product of its digits is 3456, while the sum is 26.

Adding to 2312222223131 its reverse (1313222222132), we get a palindrome (3625444445263).

Subtracting from 2312222223131 its reverse (1313222222132), we obtain a palindrome (999000000999).

The spelling of 2312222223131 in words is "two trillion, three hundred twelve billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 89 449 39961 57861971 5149715419 25980024979 2312222223131