Search a number
-
+
12222323031 = 331327130051
BaseRepresentation
bin10110110001000000…
…11101100101010111
31011112210110100012210
423120200131211113
5200012403314111
65340450444503
7611611013562
oct133040354527
934483410183
1012222323031
115202201216
122451293733
1311ca236709
1483d3714d9
154b80390a6
hex2d881d957

12222323031 has 8 divisors (see below), whose sum is σ = 16297076224. Its totient is φ = 8147892600.

The previous prime is 12222323023. The next prime is 12222323089. The reversal of 12222323031 is 13032322221.

It is a happy number.

12222323031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12222323031 - 23 = 12222323023 is a prime.

It is a super-2 number, since 2×122223230312 (a number of 21 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 = 12222322989 and 12222323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222323131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28956 + ... + 159006.

It is an arithmetic number, because the mean of its divisors is an integer number (2037134528).

Almost surely, 212222323031 is an apocalyptic number.

12222323031 is a deficient number, since it is larger than the sum of its proper divisors (4074753193).

12222323031 is a wasteful number, since it uses less digits than its factorization.

12222323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161381.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12222323031 its reverse (13032322221), we get a palindrome (25254645252).

The spelling of 12222323031 in words is "twelve billion, two hundred twenty-two million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 3 31327 93981 130051 390153 4074107677 12222323031