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3211131230113 = 8592493737137
BaseRepresentation
bin101110101110100110010…
…101100001011110100001
3102100222111020221001001111
4232232212111201132201
5410102344043330423
610455101234303321
7450665553050032
oct56564625413641
912328436831044
103211131230113
111028918957904
1243a409427b41
131a3a68003071
14b15c3488a89
15587e002a60d
hex2eba65617a1

3211131230113 has 4 divisors (see below), whose sum is σ = 3211135826500. Its totient is φ = 3211126633728.

The previous prime is 3211131230089. The next prime is 3211131230123. The reversal of 3211131230113 is 3110321311123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1374163029009 + 1836968201104 = 1172247^2 + 1355348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3211131230113 is a prime.

It is a super-3 number, since 3×32111312301133 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3211131230123) 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, 1009320 + ... + 2727817.

It is an arithmetic number, because the mean of its divisors is an integer number (802783956625).

Almost surely, 23211131230113 is an apocalyptic number.

It is an amenable number.

3211131230113 is a deficient number, since it is larger than the sum of its proper divisors (4596387).

3211131230113 is an equidigital number, since it uses as much as digits as its factorization.

3211131230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596386.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 3211131230113 its reverse (3110321311123), we get a palindrome (6321452541236).

The spelling of 3211131230113 in words is "three trillion, two hundred eleven billion, one hundred thirty-one million, two hundred thirty thousand, one hundred thirteen".

Divisors: 1 859249 3737137 3211131230113