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3113223213 = 3232574192
BaseRepresentation
bin1011100110010000…
…0000010000101101
322000222002010101110
42321210000100231
522333441120323
61232531102233
7140101650342
oct27144002055
98028063343
103113223213
111358373751
1272a741979
133a7ca7a19
1421767a7c9
151334ab793
hexb990042d

3113223213 has 24 divisors (see below), whose sum is σ = 4358697408. Its totient is φ = 1972799488.

The previous prime is 3113223203. The next prime is 3113223331. The reversal of 3113223213 is 3123223113.

It is not a de Polignac number, because 3113223213 - 25 = 3113223181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3113223213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113223203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7429918 + ... + 7430336.

It is an arithmetic number, because the mean of its divisors is an integer number (181612392).

Almost surely, 23113223213 is an apocalyptic number.

It is an amenable number.

3113223213 is a deficient number, since it is larger than the sum of its proper divisors (1245474195).

3113223213 is an equidigital number, since it uses as much as digits as its factorization.

3113223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 702 counting only the distinct ones).

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

The square root of 3113223213 is about 55796.2652244754. The cubic root of 3113223213 is about 1460.1699953744.

Adding to 3113223213 its reverse (3123223113), we get a palindrome (6236446326).

It can be divided in two parts, 31132 and 23213, that added together give a palindrome (54345).

The spelling of 3113223213 in words is "three billion, one hundred thirteen million, two hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 3 23 69 257 419 771 1257 5911 9637 17733 28911 107683 175561 323049 526683 2476709 4037903 7430127 12113709 45119177 135357531 1037741071 3113223213