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11220120130331 = 73894120499497
BaseRepresentation
bin1010001101000110001101…
…0001100101001100011011
31110201122002110111212220002
42203101203101211030123
52432312301223132311
635510241345523215
72235425015340410
oct243214321451433
943648073455802
1011220120130331
11363647633a8a2
12131264b64350b
1363508bc8c198
142ab0b1890107
15146cdb1c893b
hexa346346531b

11220120130331 has 8 divisors (see below), whose sum is σ = 12855958433760. Its totient is φ = 9592522826688.

The previous prime is 11220120130309. The next prime is 11220120130357. The reversal of 11220120130331 is 13303102102211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11220120130331 is a prime.

It is a super-2 number, since 2×112201201303312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220120430331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060247026 + ... + 2060252471.

It is an arithmetic number, because the mean of its divisors is an integer number (1606994804220).

Almost surely, 211220120130331 is an apocalyptic number.

11220120130331 is a deficient number, since it is larger than the sum of its proper divisors (1635838303429).

11220120130331 is an equidigital number, since it uses as much as digits as its factorization.

11220120130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120499893.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11220120130331 its reverse (13303102102211), we get a palindrome (24523222232542).

The spelling of 11220120130331 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred thirty thousand, three hundred thirty-one".

Divisors: 1 7 389 2723 4120499497 28843496479 1602874304333 11220120130331