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13222203310031 = 78823167745497
BaseRepresentation
bin1100000001101000100010…
…1110110011111111001111
31201211000211002020020011212
43000122020232303333033
53213113033021410111
644042110224405035
72533162344515612
oct300321056637717
951730732206155
1013222203310031
1142385610803a1
12159667517677b
1374bb04ca2361
14339d5ac8c179
1517de16ee998b
hexc0688bb3fcf

13222203310031 has 4 divisors (see below), whose sum is σ = 13222371134352. Its totient is φ = 13222035485712.

The previous prime is 13222203309983. The next prime is 13222203310037. The reversal of 13222203310031 is 13001330222231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13222203310031 is a prime.

It is a super-2 number, since 2×132222033100312 (a number of 27 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 = 13222203309979 and 13222203310006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222203310037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83793926 + ... + 83951571.

It is an arithmetic number, because the mean of its divisors is an integer number (3305592783588).

Almost surely, 213222203310031 is an apocalyptic number.

13222203310031 is a deficient number, since it is larger than the sum of its proper divisors (167824321).

13222203310031 is an equidigital number, since it uses as much as digits as its factorization.

13222203310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167824320.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13222203310031 its reverse (13001330222231), we get a palindrome (26223533532262).

The spelling of 13222203310031 in words is "thirteen trillion, two hundred twenty-two billion, two hundred three million, three hundred ten thousand, thirty-one".

Divisors: 1 78823 167745497 13222203310031