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2101231131301 = 17298374142569
BaseRepresentation
bin11110100100111011001…
…000101001101010100101
321102212122102002010212101
4132210323020221222211
5233411310132200201
64245143043252101
7304544315631451
oct36447310515245
97385572063771
102101231131301
11740144216075
1229b29607a031
131231b7148173
14739b3225661
15399d0351d01
hex1e93b229aa5

2101231131301 has 8 divisors (see below), whose sum is σ = 2224908065880. Its totient is φ = 1977562541568.

The previous prime is 2101231131299. The next prime is 2101231131323. The reversal of 2101231131301 is 1031311321012.

It can be written as a sum of positive squares in 4 ways, for example, as 38994400900 + 2062236730401 = 197470^2 + 1436049^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2101231131301 - 21 = 2101231131299 is a prime.

It is a super-3 number, since 3×21012311313013 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101231137301) 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, 1564056 + ... + 2578513.

It is an arithmetic number, because the mean of its divisors is an integer number (278113508235).

Almost surely, 22101231131301 is an apocalyptic number.

It is an amenable number.

2101231131301 is a deficient number, since it is larger than the sum of its proper divisors (123676934579).

2101231131301 is a wasteful number, since it uses less digits than its factorization.

2101231131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172423.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2101231131301 its reverse (1031311321012), we get a palindrome (3132542452313).

The spelling of 2101231131301 in words is "two trillion, one hundred one billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 17 29837 507229 4142569 70423673 123601831253 2101231131301