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213131221413001 = 1726874665846919
BaseRepresentation
bin110000011101011101111010…
…101111100010110010001001
31000221122010221021101001010021
4300131131322233202302021
5210413420220140204001
62033143044220220441
762615136231564343
oct6035357257426211
91027563837331107
10213131221413001
1161a01497193901
121baa231299a721
1391c0259b9c8b8
143a8b86b41a293
151999073904ba1
hexc1d77abe2c89

213131221413001 has 8 divisors (see below), whose sum is σ = 225752337377280. Its totient is φ = 200519437147968.

The previous prime is 213131221412983. The next prime is 213131221413007. The reversal of 213131221413001 is 100314122131312.

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

It is a de Polignac number, because none of the positive numbers 2k-213131221413001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213131221413007) 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, 2332877781 + ... + 2332969138.

It is an arithmetic number, because the mean of its divisors is an integer number (28219042172160).

Almost surely, 2213131221413001 is an apocalyptic number.

It is an amenable number.

213131221413001 is a deficient number, since it is larger than the sum of its proper divisors (12621115964279).

213131221413001 is a wasteful number, since it uses less digits than its factorization.

213131221413001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665849623.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 213131221413001 its reverse (100314122131312), we get a palindrome (313445343544313).

The spelling of 213131221413001 in words is "two hundred thirteen trillion, one hundred thirty-one billion, two hundred twenty-one million, four hundred thirteen thousand, one".

Divisors: 1 17 2687 45679 4665846919 79319397623 12537130671353 213131221413001