Search a number
-
+
22312311001 = 23027968963
BaseRepresentation
bin10100110001111010…
…101101100011011001
32010120222112211121221
4110301322231203121
5331143422423001
614130010132041
71416630341251
oct246172554331
963528484557
1022312311001
11950a799552
1243a8421021
1321477704b6
14111943a961
158a8c701a1
hex531ead8d9

22312311001 has 4 divisors (see below), whose sum is σ = 22313302992. Its totient is φ = 22311319012.

The previous prime is 22312310959. The next prime is 22312311031. The reversal of 22312311001 is 10011321322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22312311001 - 219 = 22311786713 is a prime.

It is a super-3 number, since 3×223123110013 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22312311031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461455 + ... + 507508.

It is an arithmetic number, because the mean of its divisors is an integer number (5578325748).

Almost surely, 222312311001 is an apocalyptic number.

It is an amenable number.

22312311001 is a deficient number, since it is larger than the sum of its proper divisors (991991).

22312311001 is an equidigital number, since it uses as much as digits as its factorization.

22312311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991990.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22312311001 its reverse (10011321322), we get a palindrome (32323632323).

The spelling of 22312311001 in words is "twenty-two billion, three hundred twelve million, three hundred eleven thousand, one".

Divisors: 1 23027 968963 22312311001