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210131222302101 = 370043740767367
BaseRepresentation
bin101111110001110011111100…
…110111001000110110010101
31000120000100102011202221021210
4233301303330313020312111
5210020242220402131401
62022524541215532033
762155323402102342
oct5761637467106625
91016010364687253
10210131222302101
1160a55172975121
121b698a0922a019
13903339b5c15b9
1439c65966b57c9
151945ede2d94d6
hexbf1cfcdc8d95

210131222302101 has 4 divisors (see below), whose sum is σ = 280174963069472. Its totient is φ = 140087481534732.

The previous prime is 210131222302073. The next prime is 210131222302129. The reversal of 210131222302101 is 101203222131012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (210131222302073) and next prime (210131222302129).

It is not a de Polignac number, because 210131222302101 - 223 = 210131213913493 is a prime.

It is a super-2 number, since 2×2101312223021012 (a number of 29 digits) contains 22 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 (210131222300101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35021870383681 + ... + 35021870383686.

It is an arithmetic number, because the mean of its divisors is an integer number (70043740767368).

Almost surely, 2210131222302101 is an apocalyptic number.

It is an amenable number.

210131222302101 is a deficient number, since it is larger than the sum of its proper divisors (70043740767371).

210131222302101 is an equidigital number, since it uses as much as digits as its factorization.

210131222302101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70043740767370.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 210131222302101 its reverse (101203222131012), we get a palindrome (311334444433113).

The spelling of 210131222302101 in words is "two hundred ten trillion, one hundred thirty-one billion, two hundred twenty-two million, three hundred two thousand, one hundred one".

Divisors: 1 3 70043740767367 210131222302101