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213223331113 = 13172971324743
BaseRepresentation
bin1100011010010100011…
…0011101010100101001
3202101100220022111122121
43012211012131110221
511443140133043423
6241541535551241
721255605260522
oct3064506352451
9671326274577
10213223331113
1182478014621
12353a808b521
1317150a56860
14a46a383849
15582e2dd45d
hex31a519d529

213223331113 has 16 divisors (see below), whose sum is σ = 243215070336. Its totient is φ = 185180878080.

The previous prime is 213223331089. The next prime is 213223331137. The reversal of 213223331113 is 311133322312.

It is an interprime number because it is at equal distance from previous prime (213223331089) and next prime (213223331137).

It is a cyclic number.

It is not a de Polignac number, because 213223331113 - 25 = 213223331081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213223331813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494220 + ... + 818962.

It is an arithmetic number, because the mean of its divisors is an integer number (15200941896).

Almost surely, 2213223331113 is an apocalyptic number.

It is an amenable number.

213223331113 is a deficient number, since it is larger than the sum of its proper divisors (29991739223).

213223331113 is a wasteful number, since it uses less digits than its factorization.

213223331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327744.

The product of its digits is 1944, while the sum is 25.

Adding to 213223331113 its reverse (311133322312), we get a palindrome (524356653425).

The spelling of 213223331113 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 13 17 221 2971 38623 50507 324743 656591 4221659 5520631 71768203 964811453 12542548889 16401794701 213223331113